Finding the Fourth Proportional to 402,301.14, 603,451.19 and 102,781.95
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Solution
The fourth proportional to 402,301.14, 603,451.19 and 102,781.95 is: 154,172.79
Step by Step Solution
- Step 1: Write the proportion equation
402,301.14 : 603,451.19 = 102,781.95 : x - Step 2: Convert to fraction form
402,301.14/603,451.19 = 102,781.95/x - Step 3: Cross multiply
402,301.14x = 603,451.19 × 102,781.95 - Step 4: Simplify right side
402,301.14x = 62,023,889,524.11 - Step 5: Solve for x
x = 62,023,889,524.11/402,301.14 - Step 6: Final answer
x = 154,172.79
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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.