Home / 509,929.13-764,810.51-150,015.78

Finding the Fourth Proportional to 509,929.13, 764,810.51 and 150,015.78

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Solution

The fourth proportional to 509,929.13, 764,810.51 and 150,015.78 is: 224,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,929.13 : 764,810.51 = 150,015.78 : x
  2. Step 2: Convert to fraction form
    509,929.13/764,810.51 = 150,015.78/x
  3. Step 3: Cross multiply
    509,929.13x = 764,810.51 × 150,015.78
  4. Step 4: Simplify right side
    509,929.13x = 114,733,645,209.85
  5. Step 5: Solve for x
    x = 114,733,645,209.85/509,929.13
  6. Step 6: Final answer
    x = 224,999.20

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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.