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Finding the Fourth Proportional to 342,416.58, 513,492.57 and 117,734.46

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Solution

The fourth proportional to 342,416.58, 513,492.57 and 117,734.46 is: 176,556.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,416.58 : 513,492.57 = 117,734.46 : x
  2. Step 2: Convert to fraction form
    342,416.58/513,492.57 = 117,734.46/x
  3. Step 3: Cross multiply
    342,416.58x = 513,492.57 × 117,734.46
  4. Step 4: Simplify right side
    342,416.58x = 60,455,770,442.96
  5. Step 5: Solve for x
    x = 60,455,770,442.96/342,416.58
  6. Step 6: Final answer
    x = 176,556.20

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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.