Home / 231,980.20-348,002.70-98,859.40

Finding the Fourth Proportional to 231,980.20, 348,002.70 and 98,859.40

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Solution

The fourth proportional to 231,980.20, 348,002.70 and 98,859.40 is: 148,302.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,980.20 : 348,002.70 = 98,859.40 : x
  2. Step 2: Convert to fraction form
    231,980.20/348,002.70 = 98,859.40/x
  3. Step 3: Cross multiply
    231,980.20x = 348,002.70 × 98,859.40
  4. Step 4: Simplify right side
    231,980.20x = 34,403,338,120.38
  5. Step 5: Solve for x
    x = 34,403,338,120.38/231,980.20
  6. Step 6: Final answer
    x = 148,302.91

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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.