Finding the Fourth Proportional to 268,097.20, 402,145.62 and 68,417.65
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Solution
The fourth proportional to 268,097.20, 402,145.62 and 68,417.65 is: 102,626.43
Step by Step Solution
- Step 1: Write the proportion equation
268,097.20 : 402,145.62 = 68,417.65 : x - Step 2: Convert to fraction form
268,097.20/402,145.62 = 68,417.65/x - Step 3: Cross multiply
268,097.20x = 402,145.62 × 68,417.65 - Step 4: Simplify right side
268,097.20x = 27,513,858,278.19 - Step 5: Solve for x
x = 27,513,858,278.19/268,097.20 - Step 6: Final answer
x = 102,626.43
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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.