Finding the Fourth Proportional to 257,071.84, 383,857.84 and 226,834.08
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Solution
The fourth proportional to 257,071.84, 383,857.84 and 226,834.08 is: 338,707.03
Step by Step Solution
- Step 1: Write the proportion equation
257,071.84 : 383,857.84 = 226,834.08 : x - Step 2: Convert to fraction form
257,071.84/383,857.84 = 226,834.08/x - Step 3: Cross multiply
257,071.84x = 383,857.84 × 226,834.08 - Step 4: Simplify right side
257,071.84x = 87,072,039,987.19 - Step 5: Solve for x
x = 87,072,039,987.19/257,071.84 - Step 6: Final answer
x = 338,707.03
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.