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Finding the Fourth Proportional to 477,627.30, 716,448.25 and 122,633.46

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Solution

The fourth proportional to 477,627.30, 716,448.25 and 122,633.46 is: 183,952.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,627.30 : 716,448.25 = 122,633.46 : x
  2. Step 2: Convert to fraction form
    477,627.30/716,448.25 = 122,633.46/x
  3. Step 3: Cross multiply
    477,627.30x = 716,448.25 × 122,633.46
  4. Step 4: Simplify right side
    477,627.30x = 87,860,527,195.28
  5. Step 5: Solve for x
    x = 87,860,527,195.28/477,627.30
  6. Step 6: Final answer
    x = 183,952.06

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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.