Finding the Fourth Proportional to 502,837.58, 693,915.86 and 276,483.08
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Solution
The fourth proportional to 502,837.58, 693,915.86 and 276,483.08 is: 381,546.65
Step by Step Solution
- Step 1: Write the proportion equation
502,837.58 : 693,915.86 = 276,483.08 : x - Step 2: Convert to fraction form
502,837.58/693,915.86 = 276,483.08/x - Step 3: Cross multiply
502,837.58x = 693,915.86 × 276,483.08 - Step 4: Simplify right side
502,837.58x = 191,855,994,233.65 - Step 5: Solve for x
x = 191,855,994,233.65/502,837.58 - Step 6: Final answer
x = 381,546.65
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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.