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Finding the Fourth Proportional to 447,044.52, 616,902.67 and 253,465.26

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Solution

The fourth proportional to 447,044.52, 616,902.67 and 253,465.26 is: 349,771.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,044.52 : 616,902.67 = 253,465.26 : x
  2. Step 2: Convert to fraction form
    447,044.52/616,902.67 = 253,465.26/x
  3. Step 3: Cross multiply
    447,044.52x = 616,902.67 × 253,465.26
  4. Step 4: Simplify right side
    447,044.52x = 156,363,395,646.24
  5. Step 5: Solve for x
    x = 156,363,395,646.24/447,044.52
  6. Step 6: Final answer
    x = 349,771.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.