Finding the Fourth Proportional to 257,072.84, 383,859.33 and 226,835.08
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Solution
The fourth proportional to 257,072.84, 383,859.33 and 226,835.08 is: 338,708.52
Step by Step Solution
- Step 1: Write the proportion equation
257,072.84 : 383,859.33 = 226,835.08 : x - Step 2: Convert to fraction form
257,072.84/383,859.33 = 226,835.08/x - Step 3: Cross multiply
257,072.84x = 383,859.33 × 226,835.08 - Step 4: Simplify right side
257,072.84x = 87,072,761,829.30 - Step 5: Solve for x
x = 87,072,761,829.30/257,072.84 - Step 6: Final answer
x = 338,708.52
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1.5x scale
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.