Home / 262,964.28-363,065.70-155,568.72

Finding the Fourth Proportional to 262,964.28, 363,065.70 and 155,568.72

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Solution

The fourth proportional to 262,964.28, 363,065.70 and 155,568.72 is: 214,788.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,964.28 : 363,065.70 = 155,568.72 : x
  2. Step 2: Convert to fraction form
    262,964.28/363,065.70 = 155,568.72/x
  3. Step 3: Cross multiply
    262,964.28x = 363,065.70 × 155,568.72
  4. Step 4: Simplify right side
    262,964.28x = 56,481,666,224.90
  5. Step 5: Solve for x
    x = 56,481,666,224.90/262,964.28
  6. Step 6: Final answer
    x = 214,788.36

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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.