Home / 399,072.20-598,637.10-240,960.20

Finding the Fourth Proportional to 399,072.20, 598,637.10 and 240,960.20

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Solution

The fourth proportional to 399,072.20, 598,637.10 and 240,960.20 is: 361,457.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,072.20 : 598,637.10 = 240,960.20 : x
  2. Step 2: Convert to fraction form
    399,072.20/598,637.10 = 240,960.20/x
  3. Step 3: Cross multiply
    399,072.20x = 598,637.10 × 240,960.20
  4. Step 4: Simplify right side
    399,072.20x = 144,247,715,343.42
  5. Step 5: Solve for x
    x = 144,247,715,343.42/399,072.20
  6. Step 6: Final answer
    x = 361,457.69

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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.