Home / 316,728.03-437,084.78-173,493.23

Finding the Fourth Proportional to 316,728.03, 437,084.78 and 173,493.23

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Solution

The fourth proportional to 316,728.03, 437,084.78 and 173,493.23 is: 239,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,728.03 : 437,084.78 = 173,493.23 : x
  2. Step 2: Convert to fraction form
    316,728.03/437,084.78 = 173,493.23/x
  3. Step 3: Cross multiply
    316,728.03x = 437,084.78 × 173,493.23
  4. Step 4: Simplify right side
    316,728.03x = 75,831,247,213.15
  5. Step 5: Solve for x
    x = 75,831,247,213.15/316,728.03
  6. Step 6: Final answer
    x = 239,420.70

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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.