Finding the Fourth Proportional to 147,685.16, 221,517.05 and 57,710.99
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Solution
The fourth proportional to 147,685.16, 221,517.05 and 57,710.99 is: 86,562.30
Step by Step Solution
- Step 1: Write the proportion equation
147,685.16 : 221,517.05 = 57,710.99 : x - Step 2: Convert to fraction form
147,685.16/221,517.05 = 57,710.99/x - Step 3: Cross multiply
147,685.16x = 221,517.05 × 57,710.99 - Step 4: Simplify right side
147,685.16x = 12,783,966,861.24 - Step 5: Solve for x
x = 12,783,966,861.24/147,685.16 - Step 6: Final answer
x = 86,562.30
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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.