Home / 342,318.12-513,598.78-152,761.24

Finding the Fourth Proportional to 342,318.12, 513,598.78 and 152,761.24

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Solution

The fourth proportional to 342,318.12, 513,598.78 and 152,761.24 is: 229,196.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,318.12 : 513,598.78 = 152,761.24 : x
  2. Step 2: Convert to fraction form
    342,318.12/513,598.78 = 152,761.24/x
  3. Step 3: Cross multiply
    342,318.12x = 513,598.78 × 152,761.24
  4. Step 4: Simplify right side
    342,318.12x = 78,457,986,495.29
  5. Step 5: Solve for x
    x = 78,457,986,495.29/342,318.12
  6. Step 6: Final answer
    x = 229,196.12

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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.