Home / 476,103.70-657,021.30-261,247.35

Finding the Fourth Proportional to 476,103.70, 657,021.30 and 261,247.35

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Solution

The fourth proportional to 476,103.70, 657,021.30 and 261,247.35 is: 360,520.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,103.70 : 657,021.30 = 261,247.35 : x
  2. Step 2: Convert to fraction form
    476,103.70/657,021.30 = 261,247.35/x
  3. Step 3: Cross multiply
    476,103.70x = 657,021.30 × 261,247.35
  4. Step 4: Simplify right side
    476,103.70x = 171,645,073,518.56
  5. Step 5: Solve for x
    x = 171,645,073,518.56/476,103.70
  6. Step 6: Final answer
    x = 360,520.35

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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.