Finding the Fourth Proportional to 261,864.18, 361,344.48 and 175,805.76
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Solution
The fourth proportional to 261,864.18, 361,344.48 and 175,805.76 is: 242,593.09
Step by Step Solution
- Step 1: Write the proportion equation
261,864.18 : 361,344.48 = 175,805.76 : x - Step 2: Convert to fraction form
261,864.18/361,344.48 = 175,805.76/x - Step 3: Cross multiply
261,864.18x = 361,344.48 × 175,805.76 - Step 4: Simplify right side
261,864.18x = 63,526,440,928.20 - Step 5: Solve for x
x = 63,526,440,928.20/261,864.18 - Step 6: Final answer
x = 242,593.09
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1.5x scale
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.