Home / 343,293.20-514,939.80-156,669.20

Finding the Fourth Proportional to 343,293.20, 514,939.80 and 156,669.20

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Solution

The fourth proportional to 343,293.20, 514,939.80 and 156,669.20 is: 235,003.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,293.20 : 514,939.80 = 156,669.20 : x
  2. Step 2: Convert to fraction form
    343,293.20/514,939.80 = 156,669.20/x
  3. Step 3: Cross multiply
    343,293.20x = 514,939.80 × 156,669.20
  4. Step 4: Simplify right side
    343,293.20x = 80,675,206,514.16
  5. Step 5: Solve for x
    x = 80,675,206,514.16/343,293.20
  6. Step 6: Final answer
    x = 235,003.80

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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.