Home / 243,589.32-365,350.64-72,808.65

Finding the Fourth Proportional to 243,589.32, 365,350.64 and 72,808.65

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Solution

The fourth proportional to 243,589.32, 365,350.64 and 72,808.65 is: 109,203.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,589.32 : 365,350.64 = 72,808.65 : x
  2. Step 2: Convert to fraction form
    243,589.32/365,350.64 = 72,808.65/x
  3. Step 3: Cross multiply
    243,589.32x = 365,350.64 × 72,808.65
  4. Step 4: Simplify right side
    243,589.32x = 26,600,686,510.99
  5. Step 5: Solve for x
    x = 26,600,686,510.99/243,589.32
  6. Step 6: Final answer
    x = 109,203.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.