Home / 476,159.03-657,118.41-261,306.78

Finding the Fourth Proportional to 476,159.03, 657,118.41 and 261,306.78

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Solution

The fourth proportional to 476,159.03, 657,118.41 and 261,306.78 is: 360,613.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,159.03 : 657,118.41 = 261,306.78 : x
  2. Step 2: Convert to fraction form
    476,159.03/657,118.41 = 261,306.78/x
  3. Step 3: Cross multiply
    476,159.03x = 657,118.41 × 261,306.78
  4. Step 4: Simplify right side
    476,159.03x = 171,709,491,203.69
  5. Step 5: Solve for x
    x = 171,709,491,203.69/476,159.03
  6. Step 6: Final answer
    x = 360,613.75

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1.5x scale

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.