Finding the Fourth Proportional to 487,278.84, 731,042.80 and 202,874.82
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Solution
The fourth proportional to 487,278.84, 731,042.80 and 202,874.82 is: 304,364.08
Step by Step Solution
- Step 1: Write the proportion equation
487,278.84 : 731,042.80 = 202,874.82 : x - Step 2: Convert to fraction form
487,278.84/731,042.80 = 202,874.82/x - Step 3: Cross multiply
487,278.84x = 731,042.80 × 202,874.82 - Step 4: Simplify right side
487,278.84x = 148,310,176,462.30 - Step 5: Solve for x
x = 148,310,176,462.30/487,278.84 - Step 6: Final answer
x = 304,364.08
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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.