Finding the Fourth Proportional to 235,381.05, 324,853.08 and 139,886.91
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Solution
The fourth proportional to 235,381.05, 324,853.08 and 139,886.91 is: 193,060.12
Step by Step Solution
- Step 1: Write the proportion equation
235,381.05 : 324,853.08 = 139,886.91 : x - Step 2: Convert to fraction form
235,381.05/324,853.08 = 139,886.91/x - Step 3: Cross multiply
235,381.05x = 324,853.08 × 139,886.91 - Step 4: Simplify right side
235,381.05x = 45,442,693,565.18 - Step 5: Solve for x
x = 45,442,693,565.18/235,381.05 - Step 6: Final answer
x = 193,060.12
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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.