Home / 231,592.16-345,441.10-210,331.28

Finding the Fourth Proportional to 231,592.16, 345,441.10 and 210,331.28

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Solution

The fourth proportional to 231,592.16, 345,441.10 and 210,331.28 is: 313,728.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,592.16 : 345,441.10 = 210,331.28 : x
  2. Step 2: Convert to fraction form
    231,592.16/345,441.10 = 210,331.28/x
  3. Step 3: Cross multiply
    231,592.16x = 345,441.10 × 210,331.28
  4. Step 4: Simplify right side
    231,592.16x = 72,657,068,727.61
  5. Step 5: Solve for x
    x = 72,657,068,727.61/231,592.16
  6. Step 6: Final answer
    x = 313,728.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.