Home / 258,863.28-357,227.92-142,574.51

Finding the Fourth Proportional to 258,863.28, 357,227.92 and 142,574.51

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Solution

The fourth proportional to 258,863.28, 357,227.92 and 142,574.51 is: 196,750.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,863.28 : 357,227.92 = 142,574.51 : x
  2. Step 2: Convert to fraction form
    258,863.28/357,227.92 = 142,574.51/x
  3. Step 3: Cross multiply
    258,863.28x = 357,227.92 × 142,574.51
  4. Step 4: Simplify right side
    258,863.28x = 50,931,596,188.95
  5. Step 5: Solve for x
    x = 50,931,596,188.95/258,863.28
  6. Step 6: Final answer
    x = 196,750.95

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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.