Home / 805,124.96-1,207,686.64-206,085.14

Finding the Fourth Proportional to 805,124.96, 1,207,686.64 and 206,085.14

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Solution

The fourth proportional to 805,124.96, 1,207,686.64 and 206,085.14 is: 309,127.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,124.96 : 1,207,686.64 = 206,085.14 : x
  2. Step 2: Convert to fraction form
    805,124.96/1,207,686.64 = 206,085.14/x
  3. Step 3: Cross multiply
    805,124.96x = 1,207,686.64 × 206,085.14
  4. Step 4: Simplify right side
    805,124.96x = 248,886,270,280.53
  5. Step 5: Solve for x
    x = 248,886,270,280.53/805,124.96
  6. Step 6: Final answer
    x = 309,127.51

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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.