Home / 432,075.30-647,918.55-165,747.30

Finding the Fourth Proportional to 432,075.30, 647,918.55 and 165,747.30

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Solution

The fourth proportional to 432,075.30, 647,918.55 and 165,747.30 is: 248,546.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,075.30 : 647,918.55 = 165,747.30 : x
  2. Step 2: Convert to fraction form
    432,075.30/647,918.55 = 165,747.30/x
  3. Step 3: Cross multiply
    432,075.30x = 647,918.55 × 165,747.30
  4. Step 4: Simplify right side
    432,075.30x = 107,390,750,282.42
  5. Step 5: Solve for x
    x = 107,390,750,282.42/432,075.30
  6. Step 6: Final answer
    x = 248,546.38

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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.