Finding the Fourth Proportional to 416,070.59, 574,193.69 and 243,964.62
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Solution
The fourth proportional to 416,070.59, 574,193.69 and 243,964.62 is: 336,680.72
Step by Step Solution
- Step 1: Write the proportion equation
416,070.59 : 574,193.69 = 243,964.62 : x - Step 2: Convert to fraction form
416,070.59/574,193.69 = 243,964.62/x - Step 3: Cross multiply
416,070.59x = 574,193.69 × 243,964.62 - Step 4: Simplify right side
416,070.59x = 140,082,944,167.43 - Step 5: Solve for x
x = 140,082,944,167.43/416,070.59 - Step 6: Final answer
x = 336,680.72
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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.