Finding the Fourth Proportional to 546,862.80, 820,236.36 and 147,478.88
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Solution
The fourth proportional to 546,862.80, 820,236.36 and 147,478.88 is: 221,202.72
Step by Step Solution
- Step 1: Write the proportion equation
546,862.80 : 820,236.36 = 147,478.88 : x - Step 2: Convert to fraction form
546,862.80/820,236.36 = 147,478.88/x - Step 3: Cross multiply
546,862.80x = 820,236.36 × 147,478.88 - Step 4: Simplify right side
546,862.80x = 120,967,539,708.08 - Step 5: Solve for x
x = 120,967,539,708.08/546,862.80 - Step 6: Final answer
x = 221,202.72
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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.