Home / 308,056.13-425,102.28-172,063.00

Finding the Fourth Proportional to 308,056.13, 425,102.28 and 172,063.00

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Solution

The fourth proportional to 308,056.13, 425,102.28 and 172,063.00 is: 237,438.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,056.13 : 425,102.28 = 172,063.00 : x
  2. Step 2: Convert to fraction form
    308,056.13/425,102.28 = 172,063.00/x
  3. Step 3: Cross multiply
    308,056.13x = 425,102.28 × 172,063.00
  4. Step 4: Simplify right side
    308,056.13x = 73,144,373,489.78
  5. Step 5: Solve for x
    x = 73,144,373,489.78/308,056.13
  6. Step 6: Final answer
    x = 237,438.46

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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.