Finding the Fourth Proportional to 278,955.93, 418,612.11 and 101,446.05
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Solution
The fourth proportional to 278,955.93, 418,612.11 and 101,446.05 is: 152,233.89
Step by Step Solution
- Step 1: Write the proportion equation
278,955.93 : 418,612.11 = 101,446.05 : x - Step 2: Convert to fraction form
278,955.93/418,612.11 = 101,446.05/x - Step 3: Cross multiply
278,955.93x = 418,612.11 × 101,446.05 - Step 4: Simplify right side
278,955.93x = 42,466,545,041.67 - Step 5: Solve for x
x = 42,466,545,041.67/278,955.93 - Step 6: Final answer
x = 152,233.89
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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.