Home / 403,877.40-557,348.22-222,589.50

Finding the Fourth Proportional to 403,877.40, 557,348.22 and 222,589.50

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Solution

The fourth proportional to 403,877.40, 557,348.22 and 222,589.50 is: 307,172.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,877.40 : 557,348.22 = 222,589.50 : x
  2. Step 2: Convert to fraction form
    403,877.40/557,348.22 = 222,589.50/x
  3. Step 3: Cross multiply
    403,877.40x = 557,348.22 × 222,589.50
  4. Step 4: Simplify right side
    403,877.40x = 124,059,861,615.69
  5. Step 5: Solve for x
    x = 124,059,861,615.69/403,877.40
  6. Step 6: Final answer
    x = 307,172.08

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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.