Finding the Fourth Proportional to 109,332.23, 164,046.19 and 38,305.99
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Solution
The fourth proportional to 109,332.23, 164,046.19 and 38,305.99 is: 57,475.74
Step by Step Solution
- Step 1: Write the proportion equation
109,332.23 : 164,046.19 = 38,305.99 : x - Step 2: Convert to fraction form
109,332.23/164,046.19 = 38,305.99/x - Step 3: Cross multiply
109,332.23x = 164,046.19 × 38,305.99 - Step 4: Simplify right side
109,332.23x = 6,283,951,325.68 - Step 5: Solve for x
x = 6,283,951,325.68/109,332.23 - Step 6: Final answer
x = 57,475.74
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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.