Home / 400,178.96-552,217.02-218,881.52

Finding the Fourth Proportional to 400,178.96, 552,217.02 and 218,881.52

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Solution

The fourth proportional to 400,178.96, 552,217.02 and 218,881.52 is: 302,040.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,178.96 : 552,217.02 = 218,881.52 : x
  2. Step 2: Convert to fraction form
    400,178.96/552,217.02 = 218,881.52/x
  3. Step 3: Cross multiply
    400,178.96x = 552,217.02 × 218,881.52
  4. Step 4: Simplify right side
    400,178.96x = 120,870,100,707.47
  5. Step 5: Solve for x
    x = 120,870,100,707.47/400,178.96
  6. Step 6: Final answer
    x = 302,040.12

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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.