Finding the Fourth Proportional to 398,379.44, 549,521.88 and 237,126.80
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Solution
The fourth proportional to 398,379.44, 549,521.88 and 237,126.80 is: 327,091.09
Step by Step Solution
- Step 1: Write the proportion equation
398,379.44 : 549,521.88 = 237,126.80 : x - Step 2: Convert to fraction form
398,379.44/549,521.88 = 237,126.80/x - Step 3: Cross multiply
398,379.44x = 549,521.88 × 237,126.80 - Step 4: Simplify right side
398,379.44x = 130,306,364,934.38 - Step 5: Solve for x
x = 130,306,364,934.38/398,379.44 - Step 6: Final answer
x = 327,091.09
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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.