Finding the Fourth Proportional to 298,753.08, 412,274.05 and 162,788.14
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Solution
The fourth proportional to 298,753.08, 412,274.05 and 162,788.14 is: 224,644.80
Step by Step Solution
- Step 1: Write the proportion equation
298,753.08 : 412,274.05 = 162,788.14 : x - Step 2: Convert to fraction form
298,753.08/412,274.05 = 162,788.14/x - Step 3: Cross multiply
298,753.08x = 412,274.05 × 162,788.14 - Step 4: Simplify right side
298,753.08x = 67,113,325,769.77 - Step 5: Solve for x
x = 67,113,325,769.77/298,753.08 - Step 6: Final answer
x = 224,644.80
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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.