Home / 261,324.12-360,642.98-153,965.71

Finding the Fourth Proportional to 261,324.12, 360,642.98 and 153,965.71

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Solution

The fourth proportional to 261,324.12, 360,642.98 and 153,965.71 is: 212,481.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,324.12 : 360,642.98 = 153,965.71 : x
  2. Step 2: Convert to fraction form
    261,324.12/360,642.98 = 153,965.71/x
  3. Step 3: Cross multiply
    261,324.12x = 360,642.98 × 153,965.71
  4. Step 4: Simplify right side
    261,324.12x = 55,526,653,307.93
  5. Step 5: Solve for x
    x = 55,526,653,307.93/261,324.12
  6. Step 6: Final answer
    x = 212,481.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.