Finding the Fourth Proportional to 272,432.54, 408,644.70 and 122,567.00
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Solution
The fourth proportional to 272,432.54, 408,644.70 and 122,567.00 is: 183,848.65
Step by Step Solution
- Step 1: Write the proportion equation
272,432.54 : 408,644.70 = 122,567.00 : x - Step 2: Convert to fraction form
272,432.54/408,644.70 = 122,567.00/x - Step 3: Cross multiply
272,432.54x = 408,644.70 × 122,567.00 - Step 4: Simplify right side
272,432.54x = 50,086,352,901.68 - Step 5: Solve for x
x = 50,086,352,901.68/272,432.54 - Step 6: Final answer
x = 183,848.65
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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.