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Finding the Fourth Proportional to 477,040.59, 715,559.67 and 122,054.04

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Solution

The fourth proportional to 477,040.59, 715,559.67 and 122,054.04 is: 183,080.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,040.59 : 715,559.67 = 122,054.04 : x
  2. Step 2: Convert to fraction form
    477,040.59/715,559.67 = 122,054.04/x
  3. Step 3: Cross multiply
    477,040.59x = 715,559.67 × 122,054.04
  4. Step 4: Simplify right side
    477,040.59x = 87,336,948,584.57
  5. Step 5: Solve for x
    x = 87,336,948,584.57/477,040.59
  6. Step 6: Final answer
    x = 183,080.75

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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.