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Finding the Fourth Proportional to 302,214.30, 453,321.45 and 91,824.90

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Solution

The fourth proportional to 302,214.30, 453,321.45 and 91,824.90 is: 137,737.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,214.30 : 453,321.45 = 91,824.90 : x
  2. Step 2: Convert to fraction form
    302,214.30/453,321.45 = 91,824.90/x
  3. Step 3: Cross multiply
    302,214.30x = 453,321.45 × 91,824.90
  4. Step 4: Simplify right side
    302,214.30x = 41,626,196,814.11
  5. Step 5: Solve for x
    x = 41,626,196,814.11/302,214.30
  6. Step 6: Final answer
    x = 137,737.35

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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.