Finding the Fourth Proportional to 218,146.16, 327,158.76 and 138,132.08
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Solution
The fourth proportional to 218,146.16, 327,158.76 and 138,132.08 is: 207,159.82
Step by Step Solution
- Step 1: Write the proportion equation
218,146.16 : 327,158.76 = 138,132.08 : x - Step 2: Convert to fraction form
218,146.16/327,158.76 = 138,132.08/x - Step 3: Cross multiply
218,146.16x = 327,158.76 × 138,132.08 - Step 4: Simplify right side
218,146.16x = 45,191,120,009.02 - Step 5: Solve for x
x = 45,191,120,009.02/218,146.16 - Step 6: Final answer
x = 207,159.82
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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.