Finding the Fourth Proportional to 352,108.88, 528,218.28 and 112,276.53
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Solution
The fourth proportional to 352,108.88, 528,218.28 and 112,276.53 is: 168,432.32
Step by Step Solution
- Step 1: Write the proportion equation
352,108.88 : 528,218.28 = 112,276.53 : x - Step 2: Convert to fraction form
352,108.88/528,218.28 = 112,276.53/x - Step 3: Cross multiply
352,108.88x = 528,218.28 × 112,276.53 - Step 4: Simplify right side
352,108.88x = 59,306,515,560.97 - Step 5: Solve for x
x = 59,306,515,560.97/352,108.88 - Step 6: Final answer
x = 168,432.32
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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.