Finding the Fourth Proportional to 242,911.25, 334,963.17 and 209,034.62
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Solution
The fourth proportional to 242,911.25, 334,963.17 and 209,034.62 is: 288,248.89
Step by Step Solution
- Step 1: Write the proportion equation
242,911.25 : 334,963.17 = 209,034.62 : x - Step 2: Convert to fraction form
242,911.25/334,963.17 = 209,034.62/x - Step 3: Cross multiply
242,911.25x = 334,963.17 × 209,034.62 - Step 4: Simplify right side
242,911.25x = 70,018,897,280.13 - Step 5: Solve for x
x = 70,018,897,280.13/242,911.25 - Step 6: Final answer
x = 288,248.89
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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.