Home / 428,160.28-590,861.16-237,186.04

Finding the Fourth Proportional to 428,160.28, 590,861.16 and 237,186.04

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Solution

The fourth proportional to 428,160.28, 590,861.16 and 237,186.04 is: 327,316.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,160.28 : 590,861.16 = 237,186.04 : x
  2. Step 2: Convert to fraction form
    428,160.28/590,861.16 = 237,186.04/x
  3. Step 3: Cross multiply
    428,160.28x = 590,861.16 × 237,186.04
  4. Step 4: Simplify right side
    428,160.28x = 140,144,018,730.21
  5. Step 5: Solve for x
    x = 140,144,018,730.21/428,160.28
  6. Step 6: Final answer
    x = 327,316.72

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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.