Finding the Fourth Proportional to 310,721.13, 466,081.74 and 97,521.96
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Solution
The fourth proportional to 310,721.13, 466,081.74 and 97,521.96 is: 146,282.95
Step by Step Solution
- Step 1: Write the proportion equation
310,721.13 : 466,081.74 = 97,521.96 : x - Step 2: Convert to fraction form
310,721.13/466,081.74 = 97,521.96/x - Step 3: Cross multiply
310,721.13x = 466,081.74 × 97,521.96 - Step 4: Simplify right side
310,721.13x = 45,453,204,805.01 - Step 5: Solve for x
x = 45,453,204,805.01/310,721.13 - Step 6: Final answer
x = 146,282.95
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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.