Finding the Fourth Proportional to 577,342.20, 866,033.10 and 177,979.80
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Solution
The fourth proportional to 577,342.20, 866,033.10 and 177,979.80 is: 266,975.80
Step by Step Solution
- Step 1: Write the proportion equation
577,342.20 : 866,033.10 = 177,979.80 : x - Step 2: Convert to fraction form
577,342.20/866,033.10 = 177,979.80/x - Step 3: Cross multiply
577,342.20x = 866,033.10 × 177,979.80 - Step 4: Simplify right side
577,342.20x = 154,136,397,931.38 - Step 5: Solve for x
x = 154,136,397,931.38/577,342.20 - Step 6: Final answer
x = 266,975.80
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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.