Finding the Fourth Proportional to 319,599.74, 478,942.88 and 234,693.92
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Solution
The fourth proportional to 319,599.74, 478,942.88 and 234,693.92 is: 351,705.48
Step by Step Solution
- Step 1: Write the proportion equation
319,599.74 : 478,942.88 = 234,693.92 : x - Step 2: Convert to fraction form
319,599.74/478,942.88 = 234,693.92/x - Step 3: Cross multiply
319,599.74x = 478,942.88 × 234,693.92 - Step 4: Simplify right side
319,599.74x = 112,404,981,987.18 - Step 5: Solve for x
x = 112,404,981,987.18/319,599.74 - Step 6: Final answer
x = 351,705.48
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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.