Finding the Fourth Proportional to 372,115.08, 513,556.88 and 219,201.39
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Solution
The fourth proportional to 372,115.08, 513,556.88 and 219,201.39 is: 302,520.34
Step by Step Solution
- Step 1: Write the proportion equation
372,115.08 : 513,556.88 = 219,201.39 : x - Step 2: Convert to fraction form
372,115.08/513,556.88 = 219,201.39/x - Step 3: Cross multiply
372,115.08x = 513,556.88 × 219,201.39 - Step 4: Simplify right side
372,115.08x = 112,572,380,844.06 - Step 5: Solve for x
x = 112,572,380,844.06/372,115.08 - Step 6: Final answer
x = 302,520.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.