Home / 805,124.70-1,207,686.27-206,084.90

Finding the Fourth Proportional to 805,124.70, 1,207,686.27 and 206,084.90

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Solution

The fourth proportional to 805,124.70, 1,207,686.27 and 206,084.90 is: 309,127.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,124.70 : 1,207,686.27 = 206,084.90 : x
  2. Step 2: Convert to fraction form
    805,124.70/1,207,686.27 = 206,084.90/x
  3. Step 3: Cross multiply
    805,124.70x = 1,207,686.27 × 206,084.90
  4. Step 4: Simplify right side
    805,124.70x = 248,885,898,145.89
  5. Step 5: Solve for x
    x = 248,885,898,145.89/805,124.70
  6. Step 6: Final answer
    x = 309,127.14

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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.