Finding the Fourth Proportional to 849,712.05, 1,274,264.18 and 280,988.18
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Solution
The fourth proportional to 849,712.05, 1,274,264.18 and 280,988.18 is: 421,381.77
Step by Step Solution
- Step 1: Write the proportion equation
849,712.05 : 1,274,264.18 = 280,988.18 : x - Step 2: Convert to fraction form
849,712.05/1,274,264.18 = 280,988.18/x - Step 3: Cross multiply
849,712.05x = 1,274,264.18 × 280,988.18 - Step 4: Simplify right side
849,712.05x = 358,053,165,001.13 - Step 5: Solve for x
x = 358,053,165,001.13/849,712.05 - Step 6: Final answer
x = 421,381.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.