Home / 428,175.72-590,856.93-237,175.29

Finding the Fourth Proportional to 428,175.72, 590,856.93 and 237,175.29

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Solution

The fourth proportional to 428,175.72, 590,856.93 and 237,175.29 is: 327,287.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,175.72 : 590,856.93 = 237,175.29 : x
  2. Step 2: Convert to fraction form
    428,175.72/590,856.93 = 237,175.29/x
  3. Step 3: Cross multiply
    428,175.72x = 590,856.93 × 237,175.29
  4. Step 4: Simplify right side
    428,175.72x = 140,136,663,721.26
  5. Step 5: Solve for x
    x = 140,136,663,721.26/428,175.72
  6. Step 6: Final answer
    x = 327,287.74

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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.