Home / 318,515.60-439,540.35-175,271.96

Finding the Fourth Proportional to 318,515.60, 439,540.35 and 175,271.96

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Solution

The fourth proportional to 318,515.60, 439,540.35 and 175,271.96 is: 241,869.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,515.60 : 439,540.35 = 175,271.96 : x
  2. Step 2: Convert to fraction form
    318,515.60/439,540.35 = 175,271.96/x
  3. Step 3: Cross multiply
    318,515.60x = 439,540.35 × 175,271.96
  4. Step 4: Simplify right side
    318,515.60x = 77,039,098,643.59
  5. Step 5: Solve for x
    x = 77,039,098,643.59/318,515.60
  6. Step 6: Final answer
    x = 241,869.15

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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.