Finding the Fourth Proportional to 234,646.62, 323,727.48 and 154,117.80
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Solution
The fourth proportional to 234,646.62, 323,727.48 and 154,117.80 is: 212,626.83
Step by Step Solution
- Step 1: Write the proportion equation
234,646.62 : 323,727.48 = 154,117.80 : x - Step 2: Convert to fraction form
234,646.62/323,727.48 = 154,117.80/x - Step 3: Cross multiply
234,646.62x = 323,727.48 × 154,117.80 - Step 4: Simplify right side
234,646.62x = 49,892,167,017.14 - Step 5: Solve for x
x = 49,892,167,017.14/234,646.62 - Step 6: Final answer
x = 212,626.83
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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.