Home / 438,110.20-657,165.30-248,497.30

Finding the Fourth Proportional to 438,110.20, 657,165.30 and 248,497.30

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Solution

The fourth proportional to 438,110.20, 657,165.30 and 248,497.30 is: 372,745.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,110.20 : 657,165.30 = 248,497.30 : x
  2. Step 2: Convert to fraction form
    438,110.20/657,165.30 = 248,497.30/x
  3. Step 3: Cross multiply
    438,110.20x = 657,165.30 × 248,497.30
  4. Step 4: Simplify right side
    438,110.20x = 163,303,802,703.69
  5. Step 5: Solve for x
    x = 163,303,802,703.69/438,110.20
  6. Step 6: Final answer
    x = 372,745.95

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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.