Finding the Fourth Proportional to 158,232.66, 218,352.68 and 86,598.82
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Solution
The fourth proportional to 158,232.66, 218,352.68 and 86,598.82 is: 119,501.78
Step by Step Solution
- Step 1: Write the proportion equation
158,232.66 : 218,352.68 = 86,598.82 : x - Step 2: Convert to fraction form
158,232.66/218,352.68 = 86,598.82/x - Step 3: Cross multiply
158,232.66x = 218,352.68 × 86,598.82 - Step 4: Simplify right side
158,232.66x = 18,909,084,596.53 - Step 5: Solve for x
x = 18,909,084,596.53/158,232.66 - Step 6: Final answer
x = 119,501.78
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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.