Finding the Fourth Proportional to 278,212.04, 417,322.38 and 67,853.96
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Solution
The fourth proportional to 278,212.04, 417,322.38 and 67,853.96 is: 101,781.99
Step by Step Solution
- Step 1: Write the proportion equation
278,212.04 : 417,322.38 = 67,853.96 : x - Step 2: Convert to fraction form
278,212.04/417,322.38 = 67,853.96/x - Step 3: Cross multiply
278,212.04x = 417,322.38 × 67,853.96 - Step 4: Simplify right side
278,212.04x = 28,316,976,079.62 - Step 5: Solve for x
x = 28,316,976,079.62/278,212.04 - Step 6: Final answer
x = 101,781.99
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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.