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Finding the Fourth Proportional to 477,491.80, 658,951.14 and 262,637.50

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Solution

The fourth proportional to 477,491.80, 658,951.14 and 262,637.50 is: 362,446.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,491.80 : 658,951.14 = 262,637.50 : x
  2. Step 2: Convert to fraction form
    477,491.80/658,951.14 = 262,637.50/x
  3. Step 3: Cross multiply
    477,491.80x = 658,951.14 × 262,637.50
  4. Step 4: Simplify right side
    477,491.80x = 173,065,280,031.75
  5. Step 5: Solve for x
    x = 173,065,280,031.75/477,491.80
  6. Step 6: Final answer
    x = 362,446.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.