Finding the Fourth Proportional to 355,294.68, 490,307.94 and 194,149.74
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Solution
The fourth proportional to 355,294.68, 490,307.94 and 194,149.74 is: 267,927.34
Step by Step Solution
- Step 1: Write the proportion equation
355,294.68 : 490,307.94 = 194,149.74 : x - Step 2: Convert to fraction form
355,294.68/490,307.94 = 194,149.74/x - Step 3: Cross multiply
355,294.68x = 490,307.94 × 194,149.74 - Step 4: Simplify right side
355,294.68x = 95,193,159,070.94 - Step 5: Solve for x
x = 95,193,159,070.94/355,294.68 - Step 6: Final answer
x = 267,927.34
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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.