Finding the Fourth Proportional to 236,475.84, 353,793.60 and 216,618.96
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Solution
The fourth proportional to 236,475.84, 353,793.60 and 216,618.96 is: 324,085.55
Step by Step Solution
- Step 1: Write the proportion equation
236,475.84 : 353,793.60 = 216,618.96 : x - Step 2: Convert to fraction form
236,475.84/353,793.60 = 216,618.96/x - Step 3: Cross multiply
236,475.84x = 353,793.60 × 216,618.96 - Step 4: Simplify right side
236,475.84x = 76,638,401,686.66 - Step 5: Solve for x
x = 76,638,401,686.66/236,475.84 - Step 6: Final answer
x = 324,085.55
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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.