Finding the Fourth Proportional to 147,523.80, 221,285.70 and 49,027.80
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Solution
The fourth proportional to 147,523.80, 221,285.70 and 49,027.80 is: 73,541.70
Step by Step Solution
- Step 1: Write the proportion equation
147,523.80 : 221,285.70 = 49,027.80 : x - Step 2: Convert to fraction form
147,523.80/221,285.70 = 49,027.80/x - Step 3: Cross multiply
147,523.80x = 221,285.70 × 49,027.80 - Step 4: Simplify right side
147,523.80x = 10,849,151,042.46 - Step 5: Solve for x
x = 10,849,151,042.46/147,523.80 - Step 6: Final answer
x = 73,541.70
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1.5x scale
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.