Home / 805,373.49-1,208,032.28-206,339.61

Finding the Fourth Proportional to 805,373.49, 1,208,032.28 and 206,339.61

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Solution

The fourth proportional to 805,373.49, 1,208,032.28 and 206,339.61 is: 309,502.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,373.49 : 1,208,032.28 = 206,339.61 : x
  2. Step 2: Convert to fraction form
    805,373.49/1,208,032.28 = 206,339.61/x
  3. Step 3: Cross multiply
    805,373.49x = 1,208,032.28 × 206,339.61
  4. Step 4: Simplify right side
    805,373.49x = 249,264,908,490.91
  5. Step 5: Solve for x
    x = 249,264,908,490.91/805,373.49
  6. Step 6: Final answer
    x = 309,502.25

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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.