Home / 428,345.60-591,117.03-234,761.00

Finding the Fourth Proportional to 428,345.60, 591,117.03 and 234,761.00

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Solution

The fourth proportional to 428,345.60, 591,117.03 and 234,761.00 is: 323,970.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,345.60 : 591,117.03 = 234,761.00 : x
  2. Step 2: Convert to fraction form
    428,345.60/591,117.03 = 234,761.00/x
  3. Step 3: Cross multiply
    428,345.60x = 591,117.03 × 234,761.00
  4. Step 4: Simplify right side
    428,345.60x = 138,771,224,110.96
  5. Step 5: Solve for x
    x = 138,771,224,110.96/428,345.60
  6. Step 6: Final answer
    x = 323,970.23

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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.