Home / 387,355.44-581,017.32-106,865.52

Finding the Fourth Proportional to 387,355.44, 581,017.32 and 106,865.52

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Solution

The fourth proportional to 387,355.44, 581,017.32 and 106,865.52 is: 160,293.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,355.44 : 581,017.32 = 106,865.52 : x
  2. Step 2: Convert to fraction form
    387,355.44/581,017.32 = 106,865.52/x
  3. Step 3: Cross multiply
    387,355.44x = 581,017.32 × 106,865.52
  4. Step 4: Simplify right side
    387,355.44x = 62,090,718,030.81
  5. Step 5: Solve for x
    x = 62,090,718,030.81/387,355.44
  6. Step 6: Final answer
    x = 160,293.91

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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.