Home / 400,290.87-552,311.04-239,114.46

Finding the Fourth Proportional to 400,290.87, 552,311.04 and 239,114.46

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Solution

The fourth proportional to 400,290.87, 552,311.04 and 239,114.46 is: 329,923.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,290.87 : 552,311.04 = 239,114.46 : x
  2. Step 2: Convert to fraction form
    400,290.87/552,311.04 = 239,114.46/x
  3. Step 3: Cross multiply
    400,290.87x = 552,311.04 × 239,114.46
  4. Step 4: Simplify right side
    400,290.87x = 132,065,556,081.64
  5. Step 5: Solve for x
    x = 132,065,556,081.64/400,290.87
  6. Step 6: Final answer
    x = 329,923.98

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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.