Finding the Fourth Proportional to 220,680.84, 304,545.48 and 125,201.88
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Solution
The fourth proportional to 220,680.84, 304,545.48 and 125,201.88 is: 172,781.95
Step by Step Solution
- Step 1: Write the proportion equation
220,680.84 : 304,545.48 = 125,201.88 : x - Step 2: Convert to fraction form
220,680.84/304,545.48 = 125,201.88/x - Step 3: Cross multiply
220,680.84x = 304,545.48 × 125,201.88 - Step 4: Simplify right side
220,680.84x = 38,129,666,641.50 - Step 5: Solve for x
x = 38,129,666,641.50/220,680.84 - Step 6: Final answer
x = 172,781.95
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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.