Home / 438,885.02-657,942.98-211,066.44

Finding the Fourth Proportional to 438,885.02, 657,942.98 and 211,066.44

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Solution

The fourth proportional to 438,885.02, 657,942.98 and 211,066.44 is: 316,414.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,885.02 : 657,942.98 = 211,066.44 : x
  2. Step 2: Convert to fraction form
    438,885.02/657,942.98 = 211,066.44/x
  3. Step 3: Cross multiply
    438,885.02x = 657,942.98 × 211,066.44
  4. Step 4: Simplify right side
    438,885.02x = 138,869,681,456.26
  5. Step 5: Solve for x
    x = 138,869,681,456.26/438,885.02
  6. Step 6: Final answer
    x = 316,414.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.