Finding the Fourth Proportional to 153,951.24, 212,452.02 and 86,882.76
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Solution
The fourth proportional to 153,951.24, 212,452.02 and 86,882.76 is: 119,897.82
Step by Step Solution
- Step 1: Write the proportion equation
153,951.24 : 212,452.02 = 86,882.76 : x - Step 2: Convert to fraction form
153,951.24/212,452.02 = 86,882.76/x - Step 3: Cross multiply
153,951.24x = 212,452.02 × 86,882.76 - Step 4: Simplify right side
153,951.24x = 18,458,417,865.18 - Step 5: Solve for x
x = 18,458,417,865.18/153,951.24 - Step 6: Final answer
x = 119,897.82
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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.