Home / 213,079.38-319,658.04-165,412.50

Finding the Fourth Proportional to 213,079.38, 319,658.04 and 165,412.50

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Solution

The fourth proportional to 213,079.38, 319,658.04 and 165,412.50 is: 248,149.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,079.38 : 319,658.04 = 165,412.50 : x
  2. Step 2: Convert to fraction form
    213,079.38/319,658.04 = 165,412.50/x
  3. Step 3: Cross multiply
    213,079.38x = 319,658.04 × 165,412.50
  4. Step 4: Simplify right side
    213,079.38x = 52,875,435,541.50
  5. Step 5: Solve for x
    x = 52,875,435,541.50/213,079.38
  6. Step 6: Final answer
    x = 248,149.00

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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.