Home / 403,444.56-556,731.43-222,122.05

Finding the Fourth Proportional to 403,444.56, 556,731.43 and 222,122.05

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Solution

The fourth proportional to 403,444.56, 556,731.43 and 222,122.05 is: 306,516.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,444.56 : 556,731.43 = 222,122.05 : x
  2. Step 2: Convert to fraction form
    403,444.56/556,731.43 = 222,122.05/x
  3. Step 3: Cross multiply
    403,444.56x = 556,731.43 × 222,122.05
  4. Step 4: Simplify right side
    403,444.56x = 123,662,326,531.03
  5. Step 5: Solve for x
    x = 123,662,326,531.03/403,444.56
  6. Step 6: Final answer
    x = 306,516.28

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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.