Home / 314,985.45-434,691.50-179,042.27

Finding the Fourth Proportional to 314,985.45, 434,691.50 and 179,042.27

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Solution

The fourth proportional to 314,985.45, 434,691.50 and 179,042.27 is: 247,084.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,985.45 : 434,691.50 = 179,042.27 : x
  2. Step 2: Convert to fraction form
    314,985.45/434,691.50 = 179,042.27/x
  3. Step 3: Cross multiply
    314,985.45x = 434,691.50 × 179,042.27
  4. Step 4: Simplify right side
    314,985.45x = 77,828,152,909.71
  5. Step 5: Solve for x
    x = 77,828,152,909.71/314,985.45
  6. Step 6: Final answer
    x = 247,084.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.