Finding the Fourth Proportional to 296,763.75, 409,538.84 and 212,024.79
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Solution
The fourth proportional to 296,763.75, 409,538.84 and 212,024.79 is: 292,597.68
Step by Step Solution
- Step 1: Write the proportion equation
296,763.75 : 409,538.84 = 212,024.79 : x - Step 2: Convert to fraction form
296,763.75/409,538.84 = 212,024.79/x - Step 3: Cross multiply
296,763.75x = 409,538.84 × 212,024.79 - Step 4: Simplify right side
296,763.75x = 86,832,385,487.72 - Step 5: Solve for x
x = 86,832,385,487.72/296,763.75 - Step 6: Final answer
x = 292,597.68
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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.