Home / 403,595.46-556,962.38-222,307.89

Finding the Fourth Proportional to 403,595.46, 556,962.38 and 222,307.89

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Solution

The fourth proportional to 403,595.46, 556,962.38 and 222,307.89 is: 306,785.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,595.46 : 556,962.38 = 222,307.89 : x
  2. Step 2: Convert to fraction form
    403,595.46/556,962.38 = 222,307.89/x
  3. Step 3: Cross multiply
    403,595.46x = 556,962.38 × 222,307.89
  4. Step 4: Simplify right side
    403,595.46x = 123,817,132,273.60
  5. Step 5: Solve for x
    x = 123,817,132,273.60/403,595.46
  6. Step 6: Final answer
    x = 306,785.25

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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.