Finding the Fourth Proportional to 115,298.56, 159,112.08 and 62,306.56
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Solution
The fourth proportional to 115,298.56, 159,112.08 and 62,306.56 is: 85,983.09
Step by Step Solution
- Step 1: Write the proportion equation
115,298.56 : 159,112.08 = 62,306.56 : x - Step 2: Convert to fraction form
115,298.56/159,112.08 = 62,306.56/x - Step 3: Cross multiply
115,298.56x = 159,112.08 × 62,306.56 - Step 4: Simplify right side
115,298.56x = 9,913,726,359.24 - Step 5: Solve for x
x = 9,913,726,359.24/115,298.56 - Step 6: Final answer
x = 85,983.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.