Finding the Fourth Proportional to 387,968.51, 582,094.92 and 163,385.48
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Solution
The fourth proportional to 387,968.51, 582,094.92 and 163,385.48 is: 245,138.09
Step by Step Solution
- Step 1: Write the proportion equation
387,968.51 : 582,094.92 = 163,385.48 : x - Step 2: Convert to fraction form
387,968.51/582,094.92 = 163,385.48/x - Step 3: Cross multiply
387,968.51x = 582,094.92 × 163,385.48 - Step 4: Simplify right side
387,968.51x = 95,105,857,909.76 - Step 5: Solve for x
x = 95,105,857,909.76/387,968.51 - Step 6: Final answer
x = 245,138.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.