Finding the Fourth Proportional to 156,948.03, 235,507.50 and 68,201.19
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Solution
The fourth proportional to 156,948.03, 235,507.50 and 68,201.19 is: 102,338.92
Step by Step Solution
- Step 1: Write the proportion equation
156,948.03 : 235,507.50 = 68,201.19 : x - Step 2: Convert to fraction form
156,948.03/235,507.50 = 68,201.19/x - Step 3: Cross multiply
156,948.03x = 235,507.50 × 68,201.19 - Step 4: Simplify right side
156,948.03x = 16,061,891,753.93 - Step 5: Solve for x
x = 16,061,891,753.93/156,948.03 - Step 6: Final answer
x = 102,338.92
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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.