Finding the Fourth Proportional to 407,886.18, 562,972.96 and 226,660.42
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Solution
The fourth proportional to 407,886.18, 562,972.96 and 226,660.42 is: 312,841.41
Step by Step Solution
- Step 1: Write the proportion equation
407,886.18 : 562,972.96 = 226,660.42 : x - Step 2: Convert to fraction form
407,886.18/562,972.96 = 226,660.42/x - Step 3: Cross multiply
407,886.18x = 562,972.96 × 226,660.42 - Step 4: Simplify right side
407,886.18x = 127,603,687,562.24 - Step 5: Solve for x
x = 127,603,687,562.24/407,886.18 - Step 6: Final answer
x = 312,841.41
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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.