Finding the Fourth Proportional to 176,154.24, 243,076.80 and 104,521.92
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Solution
The fourth proportional to 176,154.24, 243,076.80 and 104,521.92 is: 144,230.73
Step by Step Solution
- Step 1: Write the proportion equation
176,154.24 : 243,076.80 = 104,521.92 : x - Step 2: Convert to fraction form
176,154.24/243,076.80 = 104,521.92/x - Step 3: Cross multiply
176,154.24x = 243,076.80 × 104,521.92 - Step 4: Simplify right side
176,154.24x = 25,406,853,843.46 - Step 5: Solve for x
x = 25,406,853,843.46/176,154.24 - Step 6: Final answer
x = 144,230.73
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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.