Home / 438,633.15-657,851.31-201,748.25

Finding the Fourth Proportional to 438,633.15, 657,851.31 and 201,748.25

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Solution

The fourth proportional to 438,633.15, 657,851.31 and 201,748.25 is: 302,577.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,633.15 : 657,851.31 = 201,748.25 : x
  2. Step 2: Convert to fraction form
    438,633.15/657,851.31 = 201,748.25/x
  3. Step 3: Cross multiply
    438,633.15x = 657,851.31 × 201,748.25
  4. Step 4: Simplify right side
    438,633.15x = 132,720,347,263.45
  5. Step 5: Solve for x
    x = 132,720,347,263.45/438,633.15
  6. Step 6: Final answer
    x = 302,577.10

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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.