Home / 231,416.84-347,132.90-79,612.40

Finding the Fourth Proportional to 231,416.84, 347,132.90 and 79,612.40

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Solution

The fourth proportional to 231,416.84, 347,132.90 and 79,612.40 is: 119,421.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,416.84 : 347,132.90 = 79,612.40 : x
  2. Step 2: Convert to fraction form
    231,416.84/347,132.90 = 79,612.40/x
  3. Step 3: Cross multiply
    231,416.84x = 347,132.90 × 79,612.40
  4. Step 4: Simplify right side
    231,416.84x = 27,636,083,287.96
  5. Step 5: Solve for x
    x = 27,636,083,287.96/231,416.84
  6. Step 6: Final answer
    x = 119,421.23

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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.