Home / 240,723.10-360,987.45-82,870.30

Finding the Fourth Proportional to 240,723.10, 360,987.45 and 82,870.30

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Solution

The fourth proportional to 240,723.10, 360,987.45 and 82,870.30 is: 124,271.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,723.10 : 360,987.45 = 82,870.30 : x
  2. Step 2: Convert to fraction form
    240,723.10/360,987.45 = 82,870.30/x
  3. Step 3: Cross multiply
    240,723.10x = 360,987.45 × 82,870.30
  4. Step 4: Simplify right side
    240,723.10x = 29,915,138,277.74
  5. Step 5: Solve for x
    x = 29,915,138,277.74/240,723.10
  6. Step 6: Final answer
    x = 124,271.99

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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.