Finding the Fourth Proportional to 134,747.66, 202,261.68 and 99,249.06
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Solution
The fourth proportional to 134,747.66, 202,261.68 and 99,249.06 is: 148,976.85
Step by Step Solution
- Step 1: Write the proportion equation
134,747.66 : 202,261.68 = 99,249.06 : x - Step 2: Convert to fraction form
134,747.66/202,261.68 = 99,249.06/x - Step 3: Cross multiply
134,747.66x = 202,261.68 × 99,249.06 - Step 4: Simplify right side
134,747.66x = 20,074,281,614.02 - Step 5: Solve for x
x = 20,074,281,614.02/134,747.66 - Step 6: Final answer
x = 148,976.85
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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.