Finding the Fourth Proportional to 119,337.40, 164,679.97 and 65,624.68
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Solution
The fourth proportional to 119,337.40, 164,679.97 and 65,624.68 is: 90,558.95
Step by Step Solution
- Step 1: Write the proportion equation
119,337.40 : 164,679.97 = 65,624.68 : x - Step 2: Convert to fraction form
119,337.40/164,679.97 = 65,624.68/x - Step 3: Cross multiply
119,337.40x = 164,679.97 × 65,624.68 - Step 4: Simplify right side
119,337.40x = 10,807,069,182.14 - Step 5: Solve for x
x = 10,807,069,182.14/119,337.40 - Step 6: Final answer
x = 90,558.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.