Finding the Fourth Proportional to 296,885.40, 445,328.10 and 72,244.05
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Solution
The fourth proportional to 296,885.40, 445,328.10 and 72,244.05 is: 108,366.08
Step by Step Solution
- Step 1: Write the proportion equation
296,885.40 : 445,328.10 = 72,244.05 : x - Step 2: Convert to fraction form
296,885.40/445,328.10 = 72,244.05/x - Step 3: Cross multiply
296,885.40x = 445,328.10 × 72,244.05 - Step 4: Simplify right side
296,885.40x = 32,172,305,522.81 - Step 5: Solve for x
x = 32,172,305,522.81/296,885.40 - Step 6: Final answer
x = 108,366.08
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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.