Home / 387,339.26-581,042.38-106,856.51

Finding the Fourth Proportional to 387,339.26, 581,042.38 and 106,856.51

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Solution

The fourth proportional to 387,339.26, 581,042.38 and 106,856.51 is: 160,294.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,339.26 : 581,042.38 = 106,856.51 : x
  2. Step 2: Convert to fraction form
    387,339.26/581,042.38 = 106,856.51/x
  3. Step 3: Cross multiply
    387,339.26x = 581,042.38 × 106,856.51
  4. Step 4: Simplify right side
    387,339.26x = 62,088,159,100.28
  5. Step 5: Solve for x
    x = 62,088,159,100.28/387,339.26
  6. Step 6: Final answer
    x = 160,294.00

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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.