Finding the Fourth Proportional to 147,737.10, 221,605.65 and 68,859.30
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Solution
The fourth proportional to 147,737.10, 221,605.65 and 68,859.30 is: 103,288.95
Step by Step Solution
- Step 1: Write the proportion equation
147,737.10 : 221,605.65 = 68,859.30 : x - Step 2: Convert to fraction form
147,737.10/221,605.65 = 68,859.30/x - Step 3: Cross multiply
147,737.10x = 221,605.65 × 68,859.30 - Step 4: Simplify right side
147,737.10x = 15,259,609,935.05 - Step 5: Solve for x
x = 15,259,609,935.05/147,737.10 - Step 6: Final answer
x = 103,288.95
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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.