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Finding the Fourth Proportional to 302,031.60, 452,318.76 and 238,631.28

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Solution

The fourth proportional to 302,031.60, 452,318.76 and 238,631.28 is: 357,371.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,031.60 : 452,318.76 = 238,631.28 : x
  2. Step 2: Convert to fraction form
    302,031.60/452,318.76 = 238,631.28/x
  3. Step 3: Cross multiply
    302,031.60x = 452,318.76 × 238,631.28
  4. Step 4: Simplify right side
    302,031.60x = 107,937,404,666.81
  5. Step 5: Solve for x
    x = 107,937,404,666.81/302,031.60
  6. Step 6: Final answer
    x = 357,371.23

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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.