Finding the Fourth Proportional to 352,560.10, 528,062.55 and 212,073.70
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Solution
The fourth proportional to 352,560.10, 528,062.55 and 212,073.70 is: 317,642.80
Step by Step Solution
- Step 1: Write the proportion equation
352,560.10 : 528,062.55 = 212,073.70 : x - Step 2: Convert to fraction form
352,560.10/528,062.55 = 212,073.70/x - Step 3: Cross multiply
352,560.10x = 528,062.55 × 212,073.70 - Step 4: Simplify right side
352,560.10x = 111,988,178,809.94 - Step 5: Solve for x
x = 111,988,178,809.94/352,560.10 - Step 6: Final answer
x = 317,642.80
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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.