Home / 386,318.10-579,477.15-176,366.10

Finding the Fourth Proportional to 386,318.10, 579,477.15 and 176,366.10

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Solution

The fourth proportional to 386,318.10, 579,477.15 and 176,366.10 is: 264,549.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,318.10 : 579,477.15 = 176,366.10 : x
  2. Step 2: Convert to fraction form
    386,318.10/579,477.15 = 176,366.10/x
  3. Step 3: Cross multiply
    386,318.10x = 579,477.15 × 176,366.10
  4. Step 4: Simplify right side
    386,318.10x = 102,200,124,984.62
  5. Step 5: Solve for x
    x = 102,200,124,984.62/386,318.10
  6. Step 6: Final answer
    x = 264,549.15

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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.