Home / 231,781.30-347,818.21-98,661.35

Finding the Fourth Proportional to 231,781.30, 347,818.21 and 98,661.35

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Solution

The fourth proportional to 231,781.30, 347,818.21 and 98,661.35 is: 148,054.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,781.30 : 347,818.21 = 98,661.35 : x
  2. Step 2: Convert to fraction form
    231,781.30/347,818.21 = 98,661.35/x
  3. Step 3: Cross multiply
    231,781.30x = 347,818.21 × 98,661.35
  4. Step 4: Simplify right side
    231,781.30x = 34,316,214,776.08
  5. Step 5: Solve for x
    x = 34,316,214,776.08/231,781.30
  6. Step 6: Final answer
    x = 148,054.29

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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.