Finding the Fourth Proportional to 356,781.98, 535,104.84 and 179,239.70
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Solution
The fourth proportional to 356,781.98, 535,104.84 and 179,239.70 is: 268,825.32
Step by Step Solution
- Step 1: Write the proportion equation
356,781.98 : 535,104.84 = 179,239.70 : x - Step 2: Convert to fraction form
356,781.98/535,104.84 = 179,239.70/x - Step 3: Cross multiply
356,781.98x = 535,104.84 × 179,239.70 - Step 4: Simplify right side
356,781.98x = 95,912,030,990.15 - Step 5: Solve for x
x = 95,912,030,990.15/356,781.98 - Step 6: Final answer
x = 268,825.32
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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.