Finding the Fourth Proportional to 156,943.70, 235,341.35 and 57,034.26
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Solution
The fourth proportional to 156,943.70, 235,341.35 and 57,034.26 is: 85,524.43
Step by Step Solution
- Step 1: Write the proportion equation
156,943.70 : 235,341.35 = 57,034.26 : x - Step 2: Convert to fraction form
156,943.70/235,341.35 = 57,034.26/x - Step 3: Cross multiply
156,943.70x = 235,341.35 × 57,034.26 - Step 4: Simplify right side
156,943.70x = 13,422,519,744.65 - Step 5: Solve for x
x = 13,422,519,744.65/156,943.70 - Step 6: Final answer
x = 85,524.43
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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.