Finding the Fourth Proportional to 272,618.64, 408,904.47 and 165,974.99
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Solution
The fourth proportional to 272,618.64, 408,904.47 and 165,974.99 is: 248,948.18
Step by Step Solution
- Step 1: Write the proportion equation
272,618.64 : 408,904.47 = 165,974.99 : x - Step 2: Convert to fraction form
272,618.64/408,904.47 = 165,974.99/x - Step 3: Cross multiply
272,618.64x = 408,904.47 × 165,974.99 - Step 4: Simplify right side
272,618.64x = 67,867,915,319.21 - Step 5: Solve for x
x = 67,867,915,319.21/272,618.64 - Step 6: Final answer
x = 248,948.18
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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.