Home / 438,115.30-657,464.55-248,575.30

Finding the Fourth Proportional to 438,115.30, 657,464.55 and 248,575.30

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Solution

The fourth proportional to 438,115.30, 657,464.55 and 248,575.30 is: 373,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,115.30 : 657,464.55 = 248,575.30 : x
  2. Step 2: Convert to fraction form
    438,115.30/657,464.55 = 248,575.30/x
  3. Step 3: Cross multiply
    438,115.30x = 657,464.55 × 248,575.30
  4. Step 4: Simplify right side
    438,115.30x = 163,429,447,755.62
  5. Step 5: Solve for x
    x = 163,429,447,755.62/438,115.30
  6. Step 6: Final answer
    x = 373,028.40

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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.