Home / 428,133.35-590,802.79-234,541.85

Finding the Fourth Proportional to 428,133.35, 590,802.79 and 234,541.85

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Solution

The fourth proportional to 428,133.35, 590,802.79 and 234,541.85 is: 323,656.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,133.35 : 590,802.79 = 234,541.85 : x
  2. Step 2: Convert to fraction form
    428,133.35/590,802.79 = 234,541.85/x
  3. Step 3: Cross multiply
    428,133.35x = 590,802.79 × 234,541.85
  4. Step 4: Simplify right side
    428,133.35x = 138,567,980,576.41
  5. Step 5: Solve for x
    x = 138,567,980,576.41/428,133.35
  6. Step 6: Final answer
    x = 323,656.13

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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.