Home / 477,280.14-715,953.01-140,329.05

Finding the Fourth Proportional to 477,280.14, 715,953.01 and 140,329.05

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Solution

The fourth proportional to 477,280.14, 715,953.01 and 140,329.05 is: 210,503.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,280.14 : 715,953.01 = 140,329.05 : x
  2. Step 2: Convert to fraction form
    477,280.14/715,953.01 = 140,329.05/x
  3. Step 3: Cross multiply
    477,280.14x = 715,953.01 × 140,329.05
  4. Step 4: Simplify right side
    477,280.14x = 100,469,002,158.18
  5. Step 5: Solve for x
    x = 100,469,002,158.18/477,280.14
  6. Step 6: Final answer
    x = 210,503.21

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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.