Finding the Fourth Proportional to 247,294.48, 341,140.80 and 156,497.44
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Solution
The fourth proportional to 247,294.48, 341,140.80 and 156,497.44 is: 215,886.99
Step by Step Solution
- Step 1: Write the proportion equation
247,294.48 : 341,140.80 = 156,497.44 : x - Step 2: Convert to fraction form
247,294.48/341,140.80 = 156,497.44/x - Step 3: Cross multiply
247,294.48x = 341,140.80 × 156,497.44 - Step 4: Simplify right side
247,294.48x = 53,387,661,879.55 - Step 5: Solve for x
x = 53,387,661,879.55/247,294.48 - Step 6: Final answer
x = 215,886.99
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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.