Finding the Fourth Proportional to 319,818.24, 441,349.07 and 183,878.78
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Solution
The fourth proportional to 319,818.24, 441,349.07 and 183,878.78 is: 253,752.66
Step by Step Solution
- Step 1: Write the proportion equation
319,818.24 : 441,349.07 = 183,878.78 : x - Step 2: Convert to fraction form
319,818.24/441,349.07 = 183,878.78/x - Step 3: Cross multiply
319,818.24x = 441,349.07 × 183,878.78 - Step 4: Simplify right side
319,818.24x = 81,154,728,545.73 - Step 5: Solve for x
x = 81,154,728,545.73/319,818.24 - Step 6: Final answer
x = 253,752.66
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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.