Finding the Fourth Proportional to 212,248.96, 318,305.84 and 70,067.84
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Solution
The fourth proportional to 212,248.96, 318,305.84 and 70,067.84 is: 105,079.44
Step by Step Solution
- Step 1: Write the proportion equation
212,248.96 : 318,305.84 = 70,067.84 : x - Step 2: Convert to fraction form
212,248.96/318,305.84 = 70,067.84/x - Step 3: Cross multiply
212,248.96x = 318,305.84 × 70,067.84 - Step 4: Simplify right side
212,248.96x = 22,303,002,668.19 - Step 5: Solve for x
x = 22,303,002,668.19/212,248.96 - Step 6: Final answer
x = 105,079.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.