Finding the Fourth Proportional to 492,177.78, 738,266.70 and 159,753.78
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Solution
The fourth proportional to 492,177.78, 738,266.70 and 159,753.78 is: 239,630.68
Step by Step Solution
- Step 1: Write the proportion equation
492,177.78 : 738,266.70 = 159,753.78 : x - Step 2: Convert to fraction form
492,177.78/738,266.70 = 159,753.78/x - Step 3: Cross multiply
492,177.78x = 738,266.70 × 159,753.78 - Step 4: Simplify right side
492,177.78x = 117,940,895,973.13 - Step 5: Solve for x
x = 117,940,895,973.13/492,177.78 - Step 6: Final answer
x = 239,630.68
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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.