Finding the Fourth Proportional to 373,888.91, 515,948.84 and 212,728.88
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Solution
The fourth proportional to 373,888.91, 515,948.84 and 212,728.88 is: 293,555.70
Step by Step Solution
- Step 1: Write the proportion equation
373,888.91 : 515,948.84 = 212,728.88 : x - Step 2: Convert to fraction form
373,888.91/515,948.84 = 212,728.88/x - Step 3: Cross multiply
373,888.91x = 515,948.84 × 212,728.88 - Step 4: Simplify right side
373,888.91x = 109,757,219,894.46 - Step 5: Solve for x
x = 109,757,219,894.46/373,888.91 - Step 6: Final answer
x = 293,555.70
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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.