Finding the Fourth Proportional to 158,177.96, 218,285.61 and 86,557.99
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Solution
The fourth proportional to 158,177.96, 218,285.61 and 86,557.99 is: 119,450.04
Step by Step Solution
- Step 1: Write the proportion equation
158,177.96 : 218,285.61 = 86,557.99 : x - Step 2: Convert to fraction form
158,177.96/218,285.61 = 86,557.99/x - Step 3: Cross multiply
158,177.96x = 218,285.61 × 86,557.99 - Step 4: Simplify right side
158,177.96x = 18,894,364,043.88 - Step 5: Solve for x
x = 18,894,364,043.88/158,177.96 - Step 6: Final answer
x = 119,450.04
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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.