Home / 439,947.43-607,127.43-238,743.43

Finding the Fourth Proportional to 439,947.43, 607,127.43 and 238,743.43

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Solution

The fourth proportional to 439,947.43, 607,127.43 and 238,743.43 is: 329,465.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,947.43 : 607,127.43 = 238,743.43 : x
  2. Step 2: Convert to fraction form
    439,947.43/607,127.43 = 238,743.43/x
  3. Step 3: Cross multiply
    439,947.43x = 607,127.43 × 238,743.43
  4. Step 4: Simplify right side
    439,947.43x = 144,947,685,085.29
  5. Step 5: Solve for x
    x = 144,947,685,085.29/439,947.43
  6. Step 6: Final answer
    x = 329,465.92

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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.