Home / 259,758.28-358,463.01-145,038.88

Finding the Fourth Proportional to 259,758.28, 358,463.01 and 145,038.88

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Solution

The fourth proportional to 259,758.28, 358,463.01 and 145,038.88 is: 200,151.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,758.28 : 358,463.01 = 145,038.88 : x
  2. Step 2: Convert to fraction form
    259,758.28/358,463.01 = 145,038.88/x
  3. Step 3: Cross multiply
    259,758.28x = 358,463.01 × 145,038.88
  4. Step 4: Simplify right side
    259,758.28x = 51,991,073,491.83
  5. Step 5: Solve for x
    x = 51,991,073,491.83/259,758.28
  6. Step 6: Final answer
    x = 200,151.75

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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.