Home / 477,100.15-715,539.45-140,050.28

Finding the Fourth Proportional to 477,100.15, 715,539.45 and 140,050.28

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Solution

The fourth proportional to 477,100.15, 715,539.45 and 140,050.28 is: 210,042.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,100.15 : 715,539.45 = 140,050.28 : x
  2. Step 2: Convert to fraction form
    477,100.15/715,539.45 = 140,050.28/x
  3. Step 3: Cross multiply
    477,100.15x = 715,539.45 × 140,050.28
  4. Step 4: Simplify right side
    477,100.15x = 100,211,500,323.55
  5. Step 5: Solve for x
    x = 100,211,500,323.55/477,100.15
  6. Step 6: Final answer
    x = 210,042.90

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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.