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Finding the Fourth Proportional to 342,319.11, 513,600.32 and 152,762.23

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Solution

The fourth proportional to 342,319.11, 513,600.32 and 152,762.23 is: 229,197.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,319.11 : 513,600.32 = 152,762.23 : x
  2. Step 2: Convert to fraction form
    342,319.11/513,600.32 = 152,762.23/x
  3. Step 3: Cross multiply
    342,319.11x = 513,600.32 × 152,762.23
  4. Step 4: Simplify right side
    342,319.11x = 78,458,730,211.91
  5. Step 5: Solve for x
    x = 78,458,730,211.91/342,319.11
  6. Step 6: Final answer
    x = 229,197.63

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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.