Finding the Fourth Proportional to 353,233.60, 528,640.80 and 213,092.80
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Solution
The fourth proportional to 353,233.60, 528,640.80 and 213,092.80 is: 318,909.49
Step by Step Solution
- Step 1: Write the proportion equation
353,233.60 : 528,640.80 = 213,092.80 : x - Step 2: Convert to fraction form
353,233.60/528,640.80 = 213,092.80/x - Step 3: Cross multiply
353,233.60x = 528,640.80 × 213,092.80 - Step 4: Simplify right side
353,233.60x = 112,649,548,266.24 - Step 5: Solve for x
x = 112,649,548,266.24/353,233.60 - Step 6: Final answer
x = 318,909.49
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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.