Finding the Fourth Proportional to 147,472.75, 221,209.95 and 36,664.75
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Solution
The fourth proportional to 147,472.75, 221,209.95 and 36,664.75 is: 54,997.33
Step by Step Solution
- Step 1: Write the proportion equation
147,472.75 : 221,209.95 = 36,664.75 : x - Step 2: Convert to fraction form
147,472.75/221,209.95 = 36,664.75/x - Step 3: Cross multiply
147,472.75x = 221,209.95 × 36,664.75 - Step 4: Simplify right side
147,472.75x = 8,110,607,514.26 - Step 5: Solve for x
x = 8,110,607,514.26/147,472.75 - Step 6: Final answer
x = 54,997.33
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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.