Home / 261,527.86-392,291.79-74,534.50

Finding the Fourth Proportional to 261,527.86, 392,291.79 and 74,534.50

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Solution

The fourth proportional to 261,527.86, 392,291.79 and 74,534.50 is: 111,801.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,527.86 : 392,291.79 = 74,534.50 : x
  2. Step 2: Convert to fraction form
    261,527.86/392,291.79 = 74,534.50/x
  3. Step 3: Cross multiply
    261,527.86x = 392,291.79 × 74,534.50
  4. Step 4: Simplify right side
    261,527.86x = 29,239,272,421.76
  5. Step 5: Solve for x
    x = 29,239,272,421.76/261,527.86
  6. Step 6: Final answer
    x = 111,801.75

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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.