Home / 509,799.42-764,700.35-154,816.11

Finding the Fourth Proportional to 509,799.42, 764,700.35 and 154,816.11

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Solution

The fourth proportional to 509,799.42, 764,700.35 and 154,816.11 is: 232,224.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,799.42 : 764,700.35 = 154,816.11 : x
  2. Step 2: Convert to fraction form
    509,799.42/764,700.35 = 154,816.11/x
  3. Step 3: Cross multiply
    509,799.42x = 764,700.35 × 154,816.11
  4. Step 4: Simplify right side
    509,799.42x = 118,387,933,502.64
  5. Step 5: Solve for x
    x = 118,387,933,502.64/509,799.42
  6. Step 6: Final answer
    x = 232,224.54

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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.