Home / 400,127.22-552,155.10-218,804.04

Finding the Fourth Proportional to 400,127.22, 552,155.10 and 218,804.04

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Solution

The fourth proportional to 400,127.22, 552,155.10 and 218,804.04 is: 301,938.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,127.22 : 552,155.10 = 218,804.04 : x
  2. Step 2: Convert to fraction form
    400,127.22/552,155.10 = 218,804.04/x
  3. Step 3: Cross multiply
    400,127.22x = 552,155.10 × 218,804.04
  4. Step 4: Simplify right side
    400,127.22x = 120,813,766,586.60
  5. Step 5: Solve for x
    x = 120,813,766,586.60/400,127.22
  6. Step 6: Final answer
    x = 301,938.38

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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.