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Finding the Fourth Proportional to 301,963.70, 452,945.55 and 202,430.90

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Solution

The fourth proportional to 301,963.70, 452,945.55 and 202,430.90 is: 303,646.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,963.70 : 452,945.55 = 202,430.90 : x
  2. Step 2: Convert to fraction form
    301,963.70/452,945.55 = 202,430.90/x
  3. Step 3: Cross multiply
    301,963.70x = 452,945.55 × 202,430.90
  4. Step 4: Simplify right side
    301,963.70x = 91,690,175,337.50
  5. Step 5: Solve for x
    x = 91,690,175,337.50/301,963.70
  6. Step 6: Final answer
    x = 303,646.35

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.