Finding the Fourth Proportional to 338,061.84, 466,841.40 and 217,412.62
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Solution
The fourth proportional to 338,061.84, 466,841.40 and 217,412.62 is: 300,232.68
Step by Step Solution
- Step 1: Write the proportion equation
338,061.84 : 466,841.40 = 217,412.62 : x - Step 2: Convert to fraction form
338,061.84/466,841.40 = 217,412.62/x - Step 3: Cross multiply
338,061.84x = 466,841.40 × 217,412.62 - Step 4: Simplify right side
338,061.84x = 101,497,211,898.47 - Step 5: Solve for x
x = 101,497,211,898.47/338,061.84 - Step 6: Final answer
x = 300,232.68
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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.