Finding the Fourth Proportional to 266,876.21, 400,251.42 and 98,304.99
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Solution
The fourth proportional to 266,876.21, 400,251.42 and 98,304.99 is: 147,434.32
Step by Step Solution
- Step 1: Write the proportion equation
266,876.21 : 400,251.42 = 98,304.99 : x - Step 2: Convert to fraction form
266,876.21/400,251.42 = 98,304.99/x - Step 3: Cross multiply
266,876.21x = 400,251.42 × 98,304.99 - Step 4: Simplify right side
266,876.21x = 39,346,711,840.59 - Step 5: Solve for x
x = 39,346,711,840.59/266,876.21 - Step 6: Final answer
x = 147,434.32
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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.