Home / 438,798.04-657,753.90-172,745.26

Finding the Fourth Proportional to 438,798.04, 657,753.90 and 172,745.26

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Solution

The fourth proportional to 438,798.04, 657,753.90 and 172,745.26 is: 258,943.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,798.04 : 657,753.90 = 172,745.26 : x
  2. Step 2: Convert to fraction form
    438,798.04/657,753.90 = 172,745.26/x
  3. Step 3: Cross multiply
    438,798.04x = 657,753.90 × 172,745.26
  4. Step 4: Simplify right side
    438,798.04x = 113,623,868,471.51
  5. Step 5: Solve for x
    x = 113,623,868,471.51/438,798.04
  6. Step 6: Final answer
    x = 258,943.43

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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.