Finding the Fourth Proportional to 379,726.92, 523,904.76 and 252,424.08
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Solution
The fourth proportional to 379,726.92, 523,904.76 and 252,424.08 is: 348,266.53
Step by Step Solution
- Step 1: Write the proportion equation
379,726.92 : 523,904.76 = 252,424.08 : x - Step 2: Convert to fraction form
379,726.92/523,904.76 = 252,424.08/x - Step 3: Cross multiply
379,726.92x = 523,904.76 × 252,424.08 - Step 4: Simplify right side
379,726.92x = 132,246,177,050.62 - Step 5: Solve for x
x = 132,246,177,050.62/379,726.92 - Step 6: Final answer
x = 348,266.53
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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.