Home / 492,538.09-738,849.06-155,488.59

Finding the Fourth Proportional to 492,538.09, 738,849.06 and 155,488.59

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Solution

The fourth proportional to 492,538.09, 738,849.06 and 155,488.59 is: 233,246.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,538.09 : 738,849.06 = 155,488.59 : x
  2. Step 2: Convert to fraction form
    492,538.09/738,849.06 = 155,488.59/x
  3. Step 3: Cross multiply
    492,538.09x = 738,849.06 × 155,488.59
  4. Step 4: Simplify right side
    492,538.09x = 114,882,598,562.23
  5. Step 5: Solve for x
    x = 114,882,598,562.23/492,538.09
  6. Step 6: Final answer
    x = 233,246.12

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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.