Home / 231,812.10-347,437.35-98,412.30

Finding the Fourth Proportional to 231,812.10, 347,437.35 and 98,412.30

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Solution

The fourth proportional to 231,812.10, 347,437.35 and 98,412.30 is: 147,499.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,812.10 : 347,437.35 = 98,412.30 : x
  2. Step 2: Convert to fraction form
    231,812.10/347,437.35 = 98,412.30/x
  3. Step 3: Cross multiply
    231,812.10x = 347,437.35 × 98,412.30
  4. Step 4: Simplify right side
    231,812.10x = 34,192,108,719.41
  5. Step 5: Solve for x
    x = 34,192,108,719.41/231,812.10
  6. Step 6: Final answer
    x = 147,499.24

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1.5x scale

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.