Finding the Fourth Proportional to 372,718.08, 558,578.88 and 135,838.08
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Solution
The fourth proportional to 372,718.08, 558,578.88 and 135,838.08 is: 203,575.54
Step by Step Solution
- Step 1: Write the proportion equation
372,718.08 : 558,578.88 = 135,838.08 : x - Step 2: Convert to fraction form
372,718.08/558,578.88 = 135,838.08/x - Step 3: Cross multiply
372,718.08x = 558,578.88 × 135,838.08 - Step 4: Simplify right side
372,718.08x = 75,876,282,587.75 - Step 5: Solve for x
x = 75,876,282,587.75/372,718.08 - Step 6: Final answer
x = 203,575.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.