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Finding the Fourth Proportional to 370,140.64, 555,127.92 and 170,269.12

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Solution

The fourth proportional to 370,140.64, 555,127.92 and 170,269.12 is: 255,365.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,140.64 : 555,127.92 = 170,269.12 : x
  2. Step 2: Convert to fraction form
    370,140.64/555,127.92 = 170,269.12/x
  3. Step 3: Cross multiply
    370,140.64x = 555,127.92 × 170,269.12
  4. Step 4: Simplify right side
    370,140.64x = 94,521,142,425.83
  5. Step 5: Solve for x
    x = 94,521,142,425.83/370,140.64
  6. Step 6: Final answer
    x = 255,365.48

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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.