Finding the Fourth Proportional to 221,646.77, 332,318.28 and 79,488.99
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Solution
The fourth proportional to 221,646.77, 332,318.28 and 79,488.99 is: 119,179.02
Step by Step Solution
- Step 1: Write the proportion equation
221,646.77 : 332,318.28 = 79,488.99 : x - Step 2: Convert to fraction form
221,646.77/332,318.28 = 79,488.99/x - Step 3: Cross multiply
221,646.77x = 332,318.28 × 79,488.99 - Step 4: Simplify right side
221,646.77x = 26,415,644,435.74 - Step 5: Solve for x
x = 26,415,644,435.74/221,646.77 - Step 6: Final answer
x = 119,179.02
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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.