Home / 461,019.12-691,839.72-180,501.36

Finding the Fourth Proportional to 461,019.12, 691,839.72 and 180,501.36

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Solution

The fourth proportional to 461,019.12, 691,839.72 and 180,501.36 is: 270,873.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,019.12 : 691,839.72 = 180,501.36 : x
  2. Step 2: Convert to fraction form
    461,019.12/691,839.72 = 180,501.36/x
  3. Step 3: Cross multiply
    461,019.12x = 691,839.72 × 180,501.36
  4. Step 4: Simplify right side
    461,019.12x = 124,878,010,362.02
  5. Step 5: Solve for x
    x = 124,878,010,362.02/461,019.12
  6. Step 6: Final answer
    x = 270,873.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.