Finding the Fourth Proportional to 353,304.60, 528,747.30 and 213,163.80
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Solution
The fourth proportional to 353,304.60, 528,747.30 and 213,163.80 is: 319,015.90
Step by Step Solution
- Step 1: Write the proportion equation
353,304.60 : 528,747.30 = 213,163.80 : x - Step 2: Convert to fraction form
353,304.60/528,747.30 = 213,163.80/x - Step 3: Cross multiply
353,304.60x = 528,747.30 × 213,163.80 - Step 4: Simplify right side
353,304.60x = 112,709,783,707.74 - Step 5: Solve for x
x = 112,709,783,707.74/353,304.60 - Step 6: Final answer
x = 319,015.90
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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.