Finding the Fourth Proportional to 351,214.60, 525,612.30 and 211,073.80
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Solution
The fourth proportional to 351,214.60, 525,612.30 and 211,073.80 is: 315,883.75
Step by Step Solution
- Step 1: Write the proportion equation
351,214.60 : 525,612.30 = 211,073.80 : x - Step 2: Convert to fraction form
351,214.60/525,612.30 = 211,073.80/x - Step 3: Cross multiply
351,214.60x = 525,612.30 × 211,073.80 - Step 4: Simplify right side
351,214.60x = 110,942,985,487.74 - Step 5: Solve for x
x = 110,942,985,487.74/351,214.60 - Step 6: Final answer
x = 315,883.75
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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.