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Finding the Fourth Proportional to 343,182.24, 514,750.77 and 118,545.90

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Solution

The fourth proportional to 343,182.24, 514,750.77 and 118,545.90 is: 177,811.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,182.24 : 514,750.77 = 118,545.90 : x
  2. Step 2: Convert to fraction form
    343,182.24/514,750.77 = 118,545.90/x
  3. Step 3: Cross multiply
    343,182.24x = 514,750.77 × 118,545.90
  4. Step 4: Simplify right side
    343,182.24x = 61,021,593,305.34
  5. Step 5: Solve for x
    x = 61,021,593,305.34/343,182.24
  6. Step 6: Final answer
    x = 177,811.05

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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.