Finding the Fourth Proportional to 279,092.88, 385,180.65 and 156,618.99
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Solution
The fourth proportional to 279,092.88, 385,180.65 and 156,618.99 is: 216,152.43
Step by Step Solution
- Step 1: Write the proportion equation
279,092.88 : 385,180.65 = 156,618.99 : x - Step 2: Convert to fraction form
279,092.88/385,180.65 = 156,618.99/x - Step 3: Cross multiply
279,092.88x = 385,180.65 × 156,618.99 - Step 4: Simplify right side
279,092.88x = 60,326,604,370.54 - Step 5: Solve for x
x = 60,326,604,370.54/279,092.88 - Step 6: Final answer
x = 216,152.43
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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.