Home / 343,200.04-514,437.09-126,919.80

Finding the Fourth Proportional to 343,200.04, 514,437.09 and 126,919.80

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Solution

The fourth proportional to 343,200.04, 514,437.09 and 126,919.80 is: 190,245.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,200.04 : 514,437.09 = 126,919.80 : x
  2. Step 2: Convert to fraction form
    343,200.04/514,437.09 = 126,919.80/x
  3. Step 3: Cross multiply
    343,200.04x = 514,437.09 × 126,919.80
  4. Step 4: Simplify right side
    343,200.04x = 65,292,252,575.38
  5. Step 5: Solve for x
    x = 65,292,252,575.38/343,200.04
  6. Step 6: Final answer
    x = 190,245.47

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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.