Home / 428,316.66-591,080.49-237,333.24

Finding the Fourth Proportional to 428,316.66, 591,080.49 and 237,333.24

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Solution

The fourth proportional to 428,316.66, 591,080.49 and 237,333.24 is: 327,521.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,316.66 : 591,080.49 = 237,333.24 : x
  2. Step 2: Convert to fraction form
    428,316.66/591,080.49 = 237,333.24/x
  3. Step 3: Cross multiply
    428,316.66x = 591,080.49 × 237,333.24
  4. Step 4: Simplify right side
    428,316.66x = 140,283,047,792.49
  5. Step 5: Solve for x
    x = 140,283,047,792.49/428,316.66
  6. Step 6: Final answer
    x = 327,521.81

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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.