Finding the Fourth Proportional to 234,449.84, 351,937.20 and 155,717.84
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Solution
The fourth proportional to 234,449.84, 351,937.20 and 155,717.84 is: 233,751.07
Step by Step Solution
- Step 1: Write the proportion equation
234,449.84 : 351,937.20 = 155,717.84 : x - Step 2: Convert to fraction form
234,449.84/351,937.20 = 155,717.84/x - Step 3: Cross multiply
234,449.84x = 351,937.20 × 155,717.84 - Step 4: Simplify right side
234,449.84x = 54,802,900,599.65 - Step 5: Solve for x
x = 54,802,900,599.65/234,449.84 - Step 6: Final answer
x = 233,751.07
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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.