Home / 857,207.67-1,285,685.13-226,165.83

Finding the Fourth Proportional to 857,207.67, 1,285,685.13 and 226,165.83

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Solution

The fourth proportional to 857,207.67, 1,285,685.13 and 226,165.83 is: 339,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,207.67 : 1,285,685.13 = 226,165.83 : x
  2. Step 2: Convert to fraction form
    857,207.67/1,285,685.13 = 226,165.83/x
  3. Step 3: Cross multiply
    857,207.67x = 1,285,685.13 × 226,165.83
  4. Step 4: Simplify right side
    857,207.67x = 290,778,044,545.11
  5. Step 5: Solve for x
    x = 290,778,044,545.11/857,207.67
  6. Step 6: Final answer
    x = 339,215.40

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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.