Home / 343,900.06-516,389.37-291,281.74

Finding the Fourth Proportional to 343,900.06, 516,389.37 and 291,281.74

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Solution

The fourth proportional to 343,900.06, 516,389.37 and 291,281.74 is: 437,379.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,900.06 : 516,389.37 = 291,281.74 : x
  2. Step 2: Convert to fraction form
    343,900.06/516,389.37 = 291,281.74/x
  3. Step 3: Cross multiply
    343,900.06x = 516,389.37 × 291,281.74
  4. Step 4: Simplify right side
    343,900.06x = 150,414,794,211.10
  5. Step 5: Solve for x
    x = 150,414,794,211.10/343,900.06
  6. Step 6: Final answer
    x = 437,379.38

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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.