Finding the Fourth Proportional to 145,841.84, 218,775.14 and 40,660.92
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Solution
The fourth proportional to 145,841.84, 218,775.14 and 40,660.92 is: 60,994.83
Step by Step Solution
- Step 1: Write the proportion equation
145,841.84 : 218,775.14 = 40,660.92 : x - Step 2: Convert to fraction form
145,841.84/218,775.14 = 40,660.92/x - Step 3: Cross multiply
145,841.84x = 218,775.14 × 40,660.92 - Step 4: Simplify right side
145,841.84x = 8,895,598,465.53 - Step 5: Solve for x
x = 8,895,598,465.53/145,841.84 - Step 6: Final answer
x = 60,994.83
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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.