Finding the Fourth Proportional to 419,246.99, 578,531.66 and 237,962.61
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Solution
The fourth proportional to 419,246.99, 578,531.66 and 237,962.61 is: 328,371.84
Step by Step Solution
- Step 1: Write the proportion equation
419,246.99 : 578,531.66 = 237,962.61 : x - Step 2: Convert to fraction form
419,246.99/578,531.66 = 237,962.61/x - Step 3: Cross multiply
419,246.99x = 578,531.66 × 237,962.61 - Step 4: Simplify right side
419,246.99x = 137,668,902,591.42 - Step 5: Solve for x
x = 137,668,902,591.42/419,246.99 - Step 6: Final answer
x = 328,371.84
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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.