Finding the Fourth Proportional to 587,194.88, 810,324.48 and 318,924.80
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Solution
The fourth proportional to 587,194.88, 810,324.48 and 318,924.80 is: 440,113.80
Step by Step Solution
- Step 1: Write the proportion equation
587,194.88 : 810,324.48 = 318,924.80 : x - Step 2: Convert to fraction form
587,194.88/810,324.48 = 318,924.80/x - Step 3: Cross multiply
587,194.88x = 810,324.48 × 318,924.80 - Step 4: Simplify right side
587,194.88x = 258,432,572,719.10 - Step 5: Solve for x
x = 258,432,572,719.10/587,194.88 - Step 6: Final answer
x = 440,113.80
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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.