Finding the Fourth Proportional to 522,204.84, 783,180.09 and 218,434.79
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Solution
The fourth proportional to 522,204.84, 783,180.09 and 218,434.79 is: 327,598.99
Step by Step Solution
- Step 1: Write the proportion equation
522,204.84 : 783,180.09 = 218,434.79 : x - Step 2: Convert to fraction form
522,204.84/783,180.09 = 218,434.79/x - Step 3: Cross multiply
522,204.84x = 783,180.09 × 218,434.79 - Step 4: Simplify right side
522,204.84x = 171,073,780,449.28 - Step 5: Solve for x
x = 171,073,780,449.28/522,204.84 - Step 6: Final answer
x = 327,598.99
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1.5x scale
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.