Finding the Fourth Proportional to 156,755.12, 235,128.57 and 55,551.70
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Solution
The fourth proportional to 156,755.12, 235,128.57 and 55,551.70 is: 83,326.09
Step by Step Solution
- Step 1: Write the proportion equation
156,755.12 : 235,128.57 = 55,551.70 : x - Step 2: Convert to fraction form
156,755.12/235,128.57 = 55,551.70/x - Step 3: Cross multiply
156,755.12x = 235,128.57 × 55,551.70 - Step 4: Simplify right side
156,755.12x = 13,061,791,782.07 - Step 5: Solve for x
x = 13,061,791,782.07/156,755.12 - Step 6: Final answer
x = 83,326.09
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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.