Finding the Fourth Proportional to 144,060.84, 198,803.52 and 80,398.08
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Solution
The fourth proportional to 144,060.84, 198,803.52 and 80,398.08 is: 110,949.11
Step by Step Solution
- Step 1: Write the proportion equation
144,060.84 : 198,803.52 = 80,398.08 : x - Step 2: Convert to fraction form
144,060.84/198,803.52 = 80,398.08/x - Step 3: Cross multiply
144,060.84x = 198,803.52 × 80,398.08 - Step 4: Simplify right side
144,060.84x = 15,983,421,305.24 - Step 5: Solve for x
x = 15,983,421,305.24/144,060.84 - Step 6: Final answer
x = 110,949.11
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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.