Home / 409,928.60-614,979.30-173,149.40

Finding the Fourth Proportional to 409,928.60, 614,979.30 and 173,149.40

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Solution

The fourth proportional to 409,928.60, 614,979.30 and 173,149.40 is: 259,760.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,928.60 : 614,979.30 = 173,149.40 : x
  2. Step 2: Convert to fraction form
    409,928.60/614,979.30 = 173,149.40/x
  3. Step 3: Cross multiply
    409,928.60x = 614,979.30 × 173,149.40
  4. Step 4: Simplify right side
    409,928.60x = 106,483,296,807.42
  5. Step 5: Solve for x
    x = 106,483,296,807.42/409,928.60
  6. Step 6: Final answer
    x = 259,760.59

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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.