Finding the Fourth Proportional to 77,526.18, 116,286.84 and 22,122.18
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Solution
The fourth proportional to 77,526.18, 116,286.84 and 22,122.18 is: 33,182.58
Step by Step Solution
- Step 1: Write the proportion equation
77,526.18 : 116,286.84 = 22,122.18 : x - Step 2: Convert to fraction form
77,526.18/116,286.84 = 22,122.18/x - Step 3: Cross multiply
77,526.18x = 116,286.84 × 22,122.18 - Step 4: Simplify right side
77,526.18x = 2,572,518,406.11 - Step 5: Solve for x
x = 2,572,518,406.11/77,526.18 - Step 6: Final answer
x = 33,182.58
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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.