Home / 231,426.18-347,071.22-98,305.38

Finding the Fourth Proportional to 231,426.18, 347,071.22 and 98,305.38

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Solution

The fourth proportional to 231,426.18, 347,071.22 and 98,305.38 is: 147,429.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,426.18 : 347,071.22 = 98,305.38 : x
  2. Step 2: Convert to fraction form
    231,426.18/347,071.22 = 98,305.38/x
  3. Step 3: Cross multiply
    231,426.18x = 347,071.22 × 98,305.38
  4. Step 4: Simplify right side
    231,426.18x = 34,118,968,169.16
  5. Step 5: Solve for x
    x = 34,118,968,169.16/231,426.18
  6. Step 6: Final answer
    x = 147,429.16

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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.