Home / 308,238.04-425,325.54-172,254.76

Finding the Fourth Proportional to 308,238.04, 425,325.54 and 172,254.76

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Solution

The fourth proportional to 308,238.04, 425,325.54 and 172,254.76 is: 237,687.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,238.04 : 425,325.54 = 172,254.76 : x
  2. Step 2: Convert to fraction form
    308,238.04/425,325.54 = 172,254.76/x
  3. Step 3: Cross multiply
    308,238.04x = 425,325.54 × 172,254.76
  4. Step 4: Simplify right side
    308,238.04x = 73,264,348,814.57
  5. Step 5: Solve for x
    x = 73,264,348,814.57/308,238.04
  6. Step 6: Final answer
    x = 237,687.56

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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.