Finding the Fourth Proportional to 194,691.12, 292,035.84 and 76,278.84
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Solution
The fourth proportional to 194,691.12, 292,035.84 and 76,278.84 is: 114,417.93
Step by Step Solution
- Step 1: Write the proportion equation
194,691.12 : 292,035.84 = 76,278.84 : x - Step 2: Convert to fraction form
194,691.12/292,035.84 = 76,278.84/x - Step 3: Cross multiply
194,691.12x = 292,035.84 × 76,278.84 - Step 4: Simplify right side
194,691.12x = 22,276,155,113.63 - Step 5: Solve for x
x = 22,276,155,113.63/194,691.12 - Step 6: Final answer
x = 114,417.93
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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.