Home / 318,441.60-439,438.32-175,200.16

Finding the Fourth Proportional to 318,441.60, 439,438.32 and 175,200.16

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Solution

The fourth proportional to 318,441.60, 439,438.32 and 175,200.16 is: 241,770.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,441.60 : 439,438.32 = 175,200.16 : x
  2. Step 2: Convert to fraction form
    318,441.60/439,438.32 = 175,200.16/x
  3. Step 3: Cross multiply
    318,441.60x = 439,438.32 × 175,200.16
  4. Step 4: Simplify right side
    318,441.60x = 76,989,663,974.13
  5. Step 5: Solve for x
    x = 76,989,663,974.13/318,441.60
  6. Step 6: Final answer
    x = 241,770.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.