Finding the Fourth Proportional to 245,282.14, 338,492.28 and 148,484.62
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Solution
The fourth proportional to 245,282.14, 338,492.28 and 148,484.62 is: 204,910.55
Step by Step Solution
- Step 1: Write the proportion equation
245,282.14 : 338,492.28 = 148,484.62 : x - Step 2: Convert to fraction form
245,282.14/338,492.28 = 148,484.62/x - Step 3: Cross multiply
245,282.14x = 338,492.28 × 148,484.62 - Step 4: Simplify right side
245,282.14x = 50,260,897,568.73 - Step 5: Solve for x
x = 50,260,897,568.73/245,282.14 - Step 6: Final answer
x = 204,910.55
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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.