Finding the Fourth Proportional to 398,211.44, 549,532.60 and 237,072.08
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Solution
The fourth proportional to 398,211.44, 549,532.60 and 237,072.08 is: 327,159.95
Step by Step Solution
- Step 1: Write the proportion equation
398,211.44 : 549,532.60 = 237,072.08 : x - Step 2: Convert to fraction form
398,211.44/549,532.60 = 237,072.08/x - Step 3: Cross multiply
398,211.44x = 549,532.60 × 237,072.08 - Step 4: Simplify right side
398,211.44x = 130,278,836,509.81 - Step 5: Solve for x
x = 130,278,836,509.81/398,211.44 - Step 6: Final answer
x = 327,159.95
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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.