Home / 509,822.81-764,570.49-168,189.44

Finding the Fourth Proportional to 509,822.81, 764,570.49 and 168,189.44

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Solution

The fourth proportional to 509,822.81, 764,570.49 and 168,189.44 is: 252,230.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,822.81 : 764,570.49 = 168,189.44 : x
  2. Step 2: Convert to fraction form
    509,822.81/764,570.49 = 168,189.44/x
  3. Step 3: Cross multiply
    509,822.81x = 764,570.49 × 168,189.44
  4. Step 4: Simplify right side
    509,822.81x = 128,592,678,730.77
  5. Step 5: Solve for x
    x = 128,592,678,730.77/509,822.81
  6. Step 6: Final answer
    x = 252,230.14

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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.