Finding the Fourth Proportional to 221,747.50, 305,652.18 and 173,264.68
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Solution
The fourth proportional to 221,747.50, 305,652.18 and 173,264.68 is: 238,824.46
Step by Step Solution
- Step 1: Write the proportion equation
221,747.50 : 305,652.18 = 173,264.68 : x - Step 2: Convert to fraction form
221,747.50/305,652.18 = 173,264.68/x - Step 3: Cross multiply
221,747.50x = 305,652.18 × 173,264.68 - Step 4: Simplify right side
221,747.50x = 52,958,727,159.00 - Step 5: Solve for x
x = 52,958,727,159.00/221,747.50 - Step 6: Final answer
x = 238,824.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.