Finding the Fourth Proportional to 272,526.24, 408,793.01 and 85,537.74
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Solution
The fourth proportional to 272,526.24, 408,793.01 and 85,537.74 is: 128,307.75
Step by Step Solution
- Step 1: Write the proportion equation
272,526.24 : 408,793.01 = 85,537.74 : x - Step 2: Convert to fraction form
272,526.24/408,793.01 = 85,537.74/x - Step 3: Cross multiply
272,526.24x = 408,793.01 × 85,537.74 - Step 4: Simplify right side
272,526.24x = 34,967,229,991.61 - Step 5: Solve for x
x = 34,967,229,991.61/272,526.24 - Step 6: Final answer
x = 128,307.75
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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.