Finding the Fourth Proportional to 156,358.87, 234,536.07 and 38,030.42
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Solution
The fourth proportional to 156,358.87, 234,536.07 and 38,030.42 is: 57,045.09
Step by Step Solution
- Step 1: Write the proportion equation
156,358.87 : 234,536.07 = 38,030.42 : x - Step 2: Convert to fraction form
156,358.87/234,536.07 = 38,030.42/x - Step 3: Cross multiply
156,358.87x = 234,536.07 × 38,030.42 - Step 4: Simplify right side
156,358.87x = 8,919,505,247.25 - Step 5: Solve for x
x = 8,919,505,247.25/156,358.87 - Step 6: Final answer
x = 57,045.09
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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.