Home / 400,222.40-552,306.72-218,934.27

Finding the Fourth Proportional to 400,222.40, 552,306.72 and 218,934.27

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Solution

The fourth proportional to 400,222.40, 552,306.72 and 218,934.27 is: 302,129.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,222.40 : 552,306.72 = 218,934.27 : x
  2. Step 2: Convert to fraction form
    400,222.40/552,306.72 = 218,934.27/x
  3. Step 3: Cross multiply
    400,222.40x = 552,306.72 × 218,934.27
  4. Step 4: Simplify right side
    400,222.40x = 120,918,870,630.45
  5. Step 5: Solve for x
    x = 120,918,870,630.45/400,222.40
  6. Step 6: Final answer
    x = 302,129.20

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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.