Finding the Fourth Proportional to 350,939.16, 526,616.10 and 129,478.68
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Solution
The fourth proportional to 350,939.16, 526,616.10 and 129,478.68 is: 194,294.53
Step by Step Solution
- Step 1: Write the proportion equation
350,939.16 : 526,616.10 = 129,478.68 : x - Step 2: Convert to fraction form
350,939.16/526,616.10 = 129,478.68/x - Step 3: Cross multiply
350,939.16x = 526,616.10 × 129,478.68 - Step 4: Simplify right side
350,939.16x = 68,185,557,494.75 - Step 5: Solve for x
x = 68,185,557,494.75/350,939.16 - Step 6: Final answer
x = 194,294.53
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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.