Home / 231,430.76-347,153.81-79,626.38

Finding the Fourth Proportional to 231,430.76, 347,153.81 and 79,626.38

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Solution

The fourth proportional to 231,430.76, 347,153.81 and 79,626.38 is: 119,442.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,430.76 : 347,153.81 = 79,626.38 : x
  2. Step 2: Convert to fraction form
    231,430.76/347,153.81 = 79,626.38/x
  3. Step 3: Cross multiply
    231,430.76x = 347,153.81 × 79,626.38
  4. Step 4: Simplify right side
    231,430.76x = 27,642,602,260.46
  5. Step 5: Solve for x
    x = 27,642,602,260.46/231,430.76
  6. Step 6: Final answer
    x = 119,442.21

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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.