Finding the Fourth Proportional to 442,688.68, 662,658.36 and 239,780.80
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Solution
The fourth proportional to 442,688.68, 662,658.36 and 239,780.80 is: 358,926.62
Step by Step Solution
- Step 1: Write the proportion equation
442,688.68 : 662,658.36 = 239,780.80 : x - Step 2: Convert to fraction form
442,688.68/662,658.36 = 239,780.80/x - Step 3: Cross multiply
442,688.68x = 662,658.36 × 239,780.80 - Step 4: Simplify right side
442,688.68x = 158,892,751,687.49 - Step 5: Solve for x
x = 158,892,751,687.49/442,688.68 - Step 6: Final answer
x = 358,926.62
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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.