Finding the Fourth Proportional to 493,687.08, 681,294.78 and 275,886.18
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Solution
The fourth proportional to 493,687.08, 681,294.78 and 275,886.18 is: 380,726.62
Step by Step Solution
- Step 1: Write the proportion equation
493,687.08 : 681,294.78 = 275,886.18 : x - Step 2: Convert to fraction form
493,687.08/681,294.78 = 275,886.18/x - Step 3: Cross multiply
493,687.08x = 681,294.78 × 275,886.18 - Step 4: Simplify right side
493,687.08x = 187,959,814,308.14 - Step 5: Solve for x
x = 187,959,814,308.14/493,687.08 - Step 6: Final answer
x = 380,726.62
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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.