Finding the Fourth Proportional to 416,731.20, 624,855.36 and 366,911.40
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Solution
The fourth proportional to 416,731.20, 624,855.36 and 366,911.40 is: 550,154.52
Step by Step Solution
- Step 1: Write the proportion equation
416,731.20 : 624,855.36 = 366,911.40 : x - Step 2: Convert to fraction form
416,731.20/624,855.36 = 366,911.40/x - Step 3: Cross multiply
416,731.20x = 624,855.36 × 366,911.40 - Step 4: Simplify right side
416,731.20x = 229,266,554,935.10 - Step 5: Solve for x
x = 229,266,554,935.10/416,731.20 - Step 6: Final answer
x = 550,154.52
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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.