Finding the Fourth Proportional to 346,514.38, 478,184.70 and 193,554.70
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Solution
The fourth proportional to 346,514.38, 478,184.70 and 193,554.70 is: 267,102.61
Step by Step Solution
- Step 1: Write the proportion equation
346,514.38 : 478,184.70 = 193,554.70 : x - Step 2: Convert to fraction form
346,514.38/478,184.70 = 193,554.70/x - Step 3: Cross multiply
346,514.38x = 478,184.70 × 193,554.70 - Step 4: Simplify right side
346,514.38x = 92,554,896,153.09 - Step 5: Solve for x
x = 92,554,896,153.09/346,514.38 - Step 6: Final answer
x = 267,102.61
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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.