Home / 342,317.12-513,597.28-152,760.24

Finding the Fourth Proportional to 342,317.12, 513,597.28 and 152,760.24

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Solution

The fourth proportional to 342,317.12, 513,597.28 and 152,760.24 is: 229,194.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,317.12 : 513,597.28 = 152,760.24 : x
  2. Step 2: Convert to fraction form
    342,317.12/513,597.28 = 152,760.24/x
  3. Step 3: Cross multiply
    342,317.12x = 513,597.28 × 152,760.24
  4. Step 4: Simplify right side
    342,317.12x = 78,457,243,756.15
  5. Step 5: Solve for x
    x = 78,457,243,756.15/342,317.12
  6. Step 6: Final answer
    x = 229,194.62

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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.