Finding the Fourth Proportional to 147,537.80, 221,306.70 and 49,041.80
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Solution
The fourth proportional to 147,537.80, 221,306.70 and 49,041.80 is: 73,562.70
Step by Step Solution
- Step 1: Write the proportion equation
147,537.80 : 221,306.70 = 49,041.80 : x - Step 2: Convert to fraction form
147,537.80/221,306.70 = 49,041.80/x - Step 3: Cross multiply
147,537.80x = 221,306.70 × 49,041.80 - Step 4: Simplify right side
147,537.80x = 10,853,278,920.06 - Step 5: Solve for x
x = 10,853,278,920.06/147,537.80 - Step 6: Final answer
x = 73,562.70
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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.