Finding the Fourth Proportional to 375,855.12, 518,685.12 and 206,088.84
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Solution
The fourth proportional to 375,855.12, 518,685.12 and 206,088.84 is: 284,405.37
Step by Step Solution
- Step 1: Write the proportion equation
375,855.12 : 518,685.12 = 206,088.84 : x - Step 2: Convert to fraction form
375,855.12/518,685.12 = 206,088.84/x - Step 3: Cross multiply
375,855.12x = 518,685.12 × 206,088.84 - Step 4: Simplify right side
375,855.12x = 106,895,214,706.06 - Step 5: Solve for x
x = 106,895,214,706.06/375,855.12 - Step 6: Final answer
x = 284,405.37
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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.