Home / 438,127.35-604,634.12-247,140.69

Finding the Fourth Proportional to 438,127.35, 604,634.12 and 247,140.69

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Solution

The fourth proportional to 438,127.35, 604,634.12 and 247,140.69 is: 341,064.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,127.35 : 604,634.12 = 247,140.69 : x
  2. Step 2: Convert to fraction form
    438,127.35/604,634.12 = 247,140.69/x
  3. Step 3: Cross multiply
    438,127.35x = 604,634.12 × 247,140.69
  4. Step 4: Simplify right side
    438,127.35x = 149,429,693,614.34
  5. Step 5: Solve for x
    x = 149,429,693,614.34/438,127.35
  6. Step 6: Final answer
    x = 341,064.52

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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.