Finding the Fourth Proportional to 503,425.08, 755,119.80 and 219,115.08
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Solution
The fourth proportional to 503,425.08, 755,119.80 and 219,115.08 is: 328,664.86
Step by Step Solution
- Step 1: Write the proportion equation
503,425.08 : 755,119.80 = 219,115.08 : x - Step 2: Convert to fraction form
503,425.08/755,119.80 = 219,115.08/x - Step 3: Cross multiply
503,425.08x = 755,119.80 × 219,115.08 - Step 4: Simplify right side
503,425.08x = 165,458,135,386.58 - Step 5: Solve for x
x = 165,458,135,386.58/503,425.08 - Step 6: Final answer
x = 328,664.86
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1.5x scale
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.