Finding the Fourth Proportional to 409,554.80, 565,161.30 and 235,084.70
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Solution
The fourth proportional to 409,554.80, 565,161.30 and 235,084.70 is: 324,402.92
Step by Step Solution
- Step 1: Write the proportion equation
409,554.80 : 565,161.30 = 235,084.70 : x - Step 2: Convert to fraction form
409,554.80/565,161.30 = 235,084.70/x - Step 3: Cross multiply
409,554.80x = 565,161.30 × 235,084.70 - Step 4: Simplify right side
409,554.80x = 132,860,772,717.87 - Step 5: Solve for x
x = 132,860,772,717.87/409,554.80 - Step 6: Final answer
x = 324,402.92
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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.