Finding the Fourth Proportional to 158,352.24, 218,526.72 and 86,731.68
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Solution
The fourth proportional to 158,352.24, 218,526.72 and 86,731.68 is: 119,690.06
Step by Step Solution
- Step 1: Write the proportion equation
158,352.24 : 218,526.72 = 86,731.68 : x - Step 2: Convert to fraction form
158,352.24/218,526.72 = 86,731.68/x - Step 3: Cross multiply
158,352.24x = 218,526.72 × 86,731.68 - Step 4: Simplify right side
158,352.24x = 18,953,189,550.49 - Step 5: Solve for x
x = 18,953,189,550.49/158,352.24 - Step 6: Final answer
x = 119,690.06
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.