Finding the Fourth Proportional to 247,894.44, 342,094.18 and 134,717.20
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Solution
The fourth proportional to 247,894.44, 342,094.18 and 134,717.20 is: 185,909.66
Step by Step Solution
- Step 1: Write the proportion equation
247,894.44 : 342,094.18 = 134,717.20 : x - Step 2: Convert to fraction form
247,894.44/342,094.18 = 134,717.20/x - Step 3: Cross multiply
247,894.44x = 342,094.18 × 134,717.20 - Step 4: Simplify right side
247,894.44x = 46,085,970,065.90 - Step 5: Solve for x
x = 46,085,970,065.90/247,894.44 - Step 6: Final answer
x = 185,909.66
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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.