Finding the Fourth Proportional to 319,780.80, 441,291.76 and 176,537.80
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Solution
The fourth proportional to 319,780.80, 441,291.76 and 176,537.80 is: 243,618.99
Step by Step Solution
- Step 1: Write the proportion equation
319,780.80 : 441,291.76 = 176,537.80 : x - Step 2: Convert to fraction form
319,780.80/441,291.76 = 176,537.80/x - Step 3: Cross multiply
319,780.80x = 441,291.76 × 176,537.80 - Step 4: Simplify right side
319,780.80x = 77,904,676,468.53 - Step 5: Solve for x
x = 77,904,676,468.53/319,780.80 - Step 6: Final answer
x = 243,618.99
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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.