Finding the Fourth Proportional to 366,386.13, 548,767.16 and 281,521.62
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Solution
The fourth proportional to 366,386.13, 548,767.16 and 281,521.62 is: 421,658.48
Step by Step Solution
- Step 1: Write the proportion equation
366,386.13 : 548,767.16 = 281,521.62 : x - Step 2: Convert to fraction form
366,386.13/548,767.16 = 281,521.62/x - Step 3: Cross multiply
366,386.13x = 548,767.16 × 281,521.62 - Step 4: Simplify right side
366,386.13x = 154,489,819,886.00 - Step 5: Solve for x
x = 154,489,819,886.00/366,386.13 - Step 6: Final answer
x = 421,658.48
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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.