Home / 345,145.30-517,544.69-201,097.76

Finding the Fourth Proportional to 345,145.30, 517,544.69 and 201,097.76

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Solution

The fourth proportional to 345,145.30, 517,544.69 and 201,097.76 is: 301,545.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,145.30 : 517,544.69 = 201,097.76 : x
  2. Step 2: Convert to fraction form
    345,145.30/517,544.69 = 201,097.76/x
  3. Step 3: Cross multiply
    345,145.30x = 517,544.69 × 201,097.76
  4. Step 4: Simplify right side
    345,145.30x = 104,077,075,396.86
  5. Step 5: Solve for x
    x = 104,077,075,396.86/345,145.30
  6. Step 6: Final answer
    x = 301,545.68

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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.