Finding the Fourth Proportional to 426,489.92, 588,556.08 and 235,503.68
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Solution
The fourth proportional to 426,489.92, 588,556.08 and 235,503.68 is: 324,995.07
Step by Step Solution
- Step 1: Write the proportion equation
426,489.92 : 588,556.08 = 235,503.68 : x - Step 2: Convert to fraction form
426,489.92/588,556.08 = 235,503.68/x - Step 3: Cross multiply
426,489.92x = 588,556.08 × 235,503.68 - Step 4: Simplify right side
426,489.92x = 138,607,122,726.37 - Step 5: Solve for x
x = 138,607,122,726.37/426,489.92 - Step 6: Final answer
x = 324,995.07
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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.