Finding the Fourth Proportional to 388,124.84, 582,253.68 and 177,780.80
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Solution
The fourth proportional to 388,124.84, 582,253.68 and 177,780.80 is: 266,701.62
Step by Step Solution
- Step 1: Write the proportion equation
388,124.84 : 582,253.68 = 177,780.80 : x - Step 2: Convert to fraction form
388,124.84/582,253.68 = 177,780.80/x - Step 3: Cross multiply
388,124.84x = 582,253.68 × 177,780.80 - Step 4: Simplify right side
388,124.84x = 103,513,525,033.34 - Step 5: Solve for x
x = 103,513,525,033.34/388,124.84 - Step 6: Final answer
x = 266,701.62
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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.