Finding the Fourth Proportional to 288,151.65, 432,193.46 and 77,805.99
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Solution
The fourth proportional to 288,151.65, 432,193.46 and 77,805.99 is: 116,699.80
Step by Step Solution
- Step 1: Write the proportion equation
288,151.65 : 432,193.46 = 77,805.99 : x - Step 2: Convert to fraction form
288,151.65/432,193.46 = 77,805.99/x - Step 3: Cross multiply
288,151.65x = 432,193.46 × 77,805.99 - Step 4: Simplify right side
288,151.65x = 33,627,239,637.80 - Step 5: Solve for x
x = 33,627,239,637.80/288,151.65 - Step 6: Final answer
x = 116,699.80
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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.