Finding the Fourth Proportional to 252,863.24, 349,020.80 and 157,312.96
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Solution
The fourth proportional to 252,863.24, 349,020.80 and 157,312.96 is: 217,135.14
Step by Step Solution
- Step 1: Write the proportion equation
252,863.24 : 349,020.80 = 157,312.96 : x - Step 2: Convert to fraction form
252,863.24/349,020.80 = 157,312.96/x - Step 3: Cross multiply
252,863.24x = 349,020.80 × 157,312.96 - Step 4: Simplify right side
252,863.24x = 54,905,495,149.57 - Step 5: Solve for x
x = 54,905,495,149.57/252,863.24 - Step 6: Final answer
x = 217,135.14
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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.