Finding the Fourth Proportional to 502,486.20, 693,423.06 and 276,126.84
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Solution
The fourth proportional to 502,486.20, 693,423.06 and 276,126.84 is: 381,050.70
Step by Step Solution
- Step 1: Write the proportion equation
502,486.20 : 693,423.06 = 276,126.84 : x - Step 2: Convert to fraction form
502,486.20/693,423.06 = 276,126.84/x - Step 3: Cross multiply
502,486.20x = 693,423.06 × 276,126.84 - Step 4: Simplify right side
502,486.20x = 191,472,718,340.93 - Step 5: Solve for x
x = 191,472,718,340.93/502,486.20 - Step 6: Final answer
x = 381,050.70
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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.