Home / 469,290.11-647,616.45-265,381.07

Finding the Fourth Proportional to 469,290.11, 647,616.45 and 265,381.07

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Solution

The fourth proportional to 469,290.11, 647,616.45 and 265,381.07 is: 366,223.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,290.11 : 647,616.45 = 265,381.07 : x
  2. Step 2: Convert to fraction form
    469,290.11/647,616.45 = 265,381.07/x
  3. Step 3: Cross multiply
    469,290.11x = 647,616.45 × 265,381.07
  4. Step 4: Simplify right side
    469,290.11x = 171,865,145,123.70
  5. Step 5: Solve for x
    x = 171,865,145,123.70/469,290.11
  6. Step 6: Final answer
    x = 366,223.67

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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.