Home / 342,091.50-513,221.34-117,455.22

Finding the Fourth Proportional to 342,091.50, 513,221.34 and 117,455.22

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Solution

The fourth proportional to 342,091.50, 513,221.34 and 117,455.22 is: 176,211.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,091.50 : 513,221.34 = 117,455.22 : x
  2. Step 2: Convert to fraction form
    342,091.50/513,221.34 = 117,455.22/x
  3. Step 3: Cross multiply
    342,091.50x = 513,221.34 × 117,455.22
  4. Step 4: Simplify right side
    342,091.50x = 60,280,525,398.39
  5. Step 5: Solve for x
    x = 60,280,525,398.39/342,091.50
  6. Step 6: Final answer
    x = 176,211.70

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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.