Finding the Fourth Proportional to 272,154.08, 408,254.16 and 75,162.08
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Solution
The fourth proportional to 272,154.08, 408,254.16 and 75,162.08 is: 112,749.48
Step by Step Solution
- Step 1: Write the proportion equation
272,154.08 : 408,254.16 = 75,162.08 : x - Step 2: Convert to fraction form
272,154.08/408,254.16 = 75,162.08/x - Step 3: Cross multiply
272,154.08x = 408,254.16 × 75,162.08 - Step 4: Simplify right side
272,154.08x = 30,685,231,834.25 - Step 5: Solve for x
x = 30,685,231,834.25/272,154.08 - Step 6: Final answer
x = 112,749.48
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1.5x scale
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.