Home / 476,229.45-657,204.65-261,389.50

Finding the Fourth Proportional to 476,229.45, 657,204.65 and 261,389.50

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Solution

The fourth proportional to 476,229.45, 657,204.65 and 261,389.50 is: 360,721.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,229.45 : 657,204.65 = 261,389.50 : x
  2. Step 2: Convert to fraction form
    476,229.45/657,204.65 = 261,389.50/x
  3. Step 3: Cross multiply
    476,229.45x = 657,204.65 × 261,389.50
  4. Step 4: Simplify right side
    476,229.45x = 171,786,394,861.18
  5. Step 5: Solve for x
    x = 171,786,394,861.18/476,229.45
  6. Step 6: Final answer
    x = 360,721.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.