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Finding the Fourth Proportional to 364,275.02, 546,413.56 and 127,562.34

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Solution

The fourth proportional to 364,275.02, 546,413.56 and 127,562.34 is: 191,343.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,275.02 : 546,413.56 = 127,562.34 : x
  2. Step 2: Convert to fraction form
    364,275.02/546,413.56 = 127,562.34/x
  3. Step 3: Cross multiply
    364,275.02x = 546,413.56 × 127,562.34
  4. Step 4: Simplify right side
    364,275.02x = 69,701,792,002.42
  5. Step 5: Solve for x
    x = 69,701,792,002.42/364,275.02
  6. Step 6: Final answer
    x = 191,343.87

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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.