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Finding the Fourth Proportional to 492,040.70, 738,061.05 and 243,208.70

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Solution

The fourth proportional to 492,040.70, 738,061.05 and 243,208.70 is: 364,813.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,040.70 : 738,061.05 = 243,208.70 : x
  2. Step 2: Convert to fraction form
    492,040.70/738,061.05 = 243,208.70/x
  3. Step 3: Cross multiply
    492,040.70x = 738,061.05 × 243,208.70
  4. Step 4: Simplify right side
    492,040.70x = 179,502,868,491.14
  5. Step 5: Solve for x
    x = 179,502,868,491.14/492,040.70
  6. Step 6: Final answer
    x = 364,813.05

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Similar ratio
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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.