Home / 259,756.28-358,460.25-145,036.88

Finding the Fourth Proportional to 259,756.28, 358,460.25 and 145,036.88

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Solution

The fourth proportional to 259,756.28, 358,460.25 and 145,036.88 is: 200,148.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,756.28 : 358,460.25 = 145,036.88 : x
  2. Step 2: Convert to fraction form
    259,756.28/358,460.25 = 145,036.88/x
  3. Step 3: Cross multiply
    259,756.28x = 358,460.25 × 145,036.88
  4. Step 4: Simplify right side
    259,756.28x = 51,989,954,471.72
  5. Step 5: Solve for x
    x = 51,989,954,471.72/259,756.28
  6. Step 6: Final answer
    x = 200,148.98

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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.