Finding the Fourth Proportional to 354,220.44, 488,809.92 and 193,072.08
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Solution
The fourth proportional to 354,220.44, 488,809.92 and 193,072.08 is: 266,431.68
Step by Step Solution
- Step 1: Write the proportion equation
354,220.44 : 488,809.92 = 193,072.08 : x - Step 2: Convert to fraction form
354,220.44/488,809.92 = 193,072.08/x - Step 3: Cross multiply
354,220.44x = 488,809.92 × 193,072.08 - Step 4: Simplify right side
354,220.44x = 94,375,547,979.03 - Step 5: Solve for x
x = 94,375,547,979.03/354,220.44 - Step 6: Final answer
x = 266,431.68
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1.5x scale
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.