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Finding the Fourth Proportional to 395,340.54, 592,585.38 and 170,807.28

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Solution

The fourth proportional to 395,340.54, 592,585.38 and 170,807.28 is: 256,027.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,340.54 : 592,585.38 = 170,807.28 : x
  2. Step 2: Convert to fraction form
    395,340.54/592,585.38 = 170,807.28/x
  3. Step 3: Cross multiply
    395,340.54x = 592,585.38 × 170,807.28
  4. Step 4: Simplify right side
    395,340.54x = 101,217,896,925.57
  5. Step 5: Solve for x
    x = 101,217,896,925.57/395,340.54
  6. Step 6: Final answer
    x = 256,027.11

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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.