Finding the Fourth Proportional to 254,478.49, 351,316.65 and 196,207.95
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Solution
The fourth proportional to 254,478.49, 351,316.65 and 196,207.95 is: 270,872.08
Step by Step Solution
- Step 1: Write the proportion equation
254,478.49 : 351,316.65 = 196,207.95 : x - Step 2: Convert to fraction form
254,478.49/351,316.65 = 196,207.95/x - Step 3: Cross multiply
254,478.49x = 351,316.65 × 196,207.95 - Step 4: Simplify right side
254,478.49x = 68,931,118,379.93 - Step 5: Solve for x
x = 68,931,118,379.93/254,478.49 - Step 6: Final answer
x = 270,872.08
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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.