Finding the Fourth Proportional to 147,833.40, 221,750.10 and 54,319.80
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Solution
The fourth proportional to 147,833.40, 221,750.10 and 54,319.80 is: 81,479.70
Step by Step Solution
- Step 1: Write the proportion equation
147,833.40 : 221,750.10 = 54,319.80 : x - Step 2: Convert to fraction form
147,833.40/221,750.10 = 54,319.80/x - Step 3: Cross multiply
147,833.40x = 221,750.10 × 54,319.80 - Step 4: Simplify right side
147,833.40x = 12,045,421,081.98 - Step 5: Solve for x
x = 12,045,421,081.98/147,833.40 - Step 6: Final answer
x = 81,479.70
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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.