Home / 203,075.10-304,612.65-199,575.90

Finding the Fourth Proportional to 203,075.10, 304,612.65 and 199,575.90

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Solution

The fourth proportional to 203,075.10, 304,612.65 and 199,575.90 is: 299,363.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,075.10 : 304,612.65 = 199,575.90 : x
  2. Step 2: Convert to fraction form
    203,075.10/304,612.65 = 199,575.90/x
  3. Step 3: Cross multiply
    203,075.10x = 304,612.65 × 199,575.90
  4. Step 4: Simplify right side
    203,075.10x = 60,793,343,775.14
  5. Step 5: Solve for x
    x = 60,793,343,775.14/203,075.10
  6. Step 6: Final answer
    x = 299,363.85

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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.