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Finding the Fourth Proportional to 202,320.30, 303,480.45 and 127,524.90

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Solution

The fourth proportional to 202,320.30, 303,480.45 and 127,524.90 is: 191,287.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,320.30 : 303,480.45 = 127,524.90 : x
  2. Step 2: Convert to fraction form
    202,320.30/303,480.45 = 127,524.90/x
  3. Step 3: Cross multiply
    202,320.30x = 303,480.45 × 127,524.90
  4. Step 4: Simplify right side
    202,320.30x = 38,701,314,038.21
  5. Step 5: Solve for x
    x = 38,701,314,038.21/202,320.30
  6. Step 6: Final answer
    x = 191,287.35

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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.