Home / 400,133.04-552,175.76-218,844.32

Finding the Fourth Proportional to 400,133.04, 552,175.76 and 218,844.32

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Solution

The fourth proportional to 400,133.04, 552,175.76 and 218,844.32 is: 302,000.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,133.04 : 552,175.76 = 218,844.32 : x
  2. Step 2: Convert to fraction form
    400,133.04/552,175.76 = 218,844.32/x
  3. Step 3: Cross multiply
    400,133.04x = 552,175.76 × 218,844.32
  4. Step 4: Simplify right side
    400,133.04x = 120,840,528,717.68
  5. Step 5: Solve for x
    x = 120,840,528,717.68/400,133.04
  6. Step 6: Final answer
    x = 302,000.88

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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.