Finding the Fourth Proportional to 245,267.36, 338,471.20 and 148,473.44
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Solution
The fourth proportional to 245,267.36, 338,471.20 and 148,473.44 is: 204,894.71
Step by Step Solution
- Step 1: Write the proportion equation
245,267.36 : 338,471.20 = 148,473.44 : x - Step 2: Convert to fraction form
245,267.36/338,471.20 = 148,473.44/x - Step 3: Cross multiply
245,267.36x = 338,471.20 × 148,473.44 - Step 4: Simplify right side
245,267.36x = 50,253,983,404.93 - Step 5: Solve for x
x = 50,253,983,404.93/245,267.36 - Step 6: Final answer
x = 204,894.71
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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.