Finding the Fourth Proportional to 245,177.28, 338,403.12 and 149,764.32
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Solution
The fourth proportional to 245,177.28, 338,403.12 and 149,764.32 is: 206,710.48
Step by Step Solution
- Step 1: Write the proportion equation
245,177.28 : 338,403.12 = 149,764.32 : x - Step 2: Convert to fraction form
245,177.28/338,403.12 = 149,764.32/x - Step 3: Cross multiply
245,177.28x = 338,403.12 × 149,764.32 - Step 4: Simplify right side
245,177.28x = 50,680,713,152.68 - Step 5: Solve for x
x = 50,680,713,152.68/245,177.28 - Step 6: Final answer
x = 206,710.48
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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.