Home / 428,315.31-591,066.32-237,327.03

Finding the Fourth Proportional to 428,315.31, 591,066.32 and 237,327.03

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Solution

The fourth proportional to 428,315.31, 591,066.32 and 237,327.03 is: 327,506.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,315.31 : 591,066.32 = 237,327.03 : x
  2. Step 2: Convert to fraction form
    428,315.31/591,066.32 = 237,327.03/x
  3. Step 3: Cross multiply
    428,315.31x = 591,066.32 × 237,327.03
  4. Step 4: Simplify right side
    428,315.31x = 140,276,013,071.99
  5. Step 5: Solve for x
    x = 140,276,013,071.99/428,315.31
  6. Step 6: Final answer
    x = 327,506.42

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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.