Home / 438,822.05-657,694.53-249,440.90

Finding the Fourth Proportional to 438,822.05, 657,694.53 and 249,440.90

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Solution

The fourth proportional to 438,822.05, 657,694.53 and 249,440.90 is: 373,855.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,822.05 : 657,694.53 = 249,440.90 : x
  2. Step 2: Convert to fraction form
    438,822.05/657,694.53 = 249,440.90/x
  3. Step 3: Cross multiply
    438,822.05x = 657,694.53 × 249,440.90
  4. Step 4: Simplify right side
    438,822.05x = 164,055,912,199.80
  5. Step 5: Solve for x
    x = 164,055,912,199.80/438,822.05
  6. Step 6: Final answer
    x = 373,855.22

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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.