Home / 330,785.04-495,717.89-172,698.15

Finding the Fourth Proportional to 330,785.04, 495,717.89 and 172,698.15

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Solution

The fourth proportional to 330,785.04, 495,717.89 and 172,698.15 is: 258,807.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,785.04 : 495,717.89 = 172,698.15 : x
  2. Step 2: Convert to fraction form
    330,785.04/495,717.89 = 172,698.15/x
  3. Step 3: Cross multiply
    330,785.04x = 495,717.89 × 172,698.15
  4. Step 4: Simplify right side
    330,785.04x = 85,609,561,661.41
  5. Step 5: Solve for x
    x = 85,609,561,661.41/330,785.04
  6. Step 6: Final answer
    x = 258,807.24

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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.