Home / 386,460.60-579,934.10-164,841.40

Finding the Fourth Proportional to 386,460.60, 579,934.10 and 164,841.40

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Solution

The fourth proportional to 386,460.60, 579,934.10 and 164,841.40 is: 247,365.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,460.60 : 579,934.10 = 164,841.40 : x
  2. Step 2: Convert to fraction form
    386,460.60/579,934.10 = 164,841.40/x
  3. Step 3: Cross multiply
    386,460.60x = 579,934.10 × 164,841.40
  4. Step 4: Simplify right side
    386,460.60x = 95,597,148,951.74
  5. Step 5: Solve for x
    x = 95,597,148,951.74/386,460.60
  6. Step 6: Final answer
    x = 247,365.83

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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.