Finding the Fourth Proportional to 79,705.84, 119,574.53 and 22,780.26
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Solution
The fourth proportional to 79,705.84, 119,574.53 and 22,780.26 is: 34,174.89
Step by Step Solution
- Step 1: Write the proportion equation
79,705.84 : 119,574.53 = 22,780.26 : x - Step 2: Convert to fraction form
79,705.84/119,574.53 = 22,780.26/x - Step 3: Cross multiply
79,705.84x = 119,574.53 × 22,780.26 - Step 4: Simplify right side
79,705.84x = 2,723,938,171.00 - Step 5: Solve for x
x = 2,723,938,171.00/79,705.84 - Step 6: Final answer
x = 34,174.89
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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.