Finding the Fourth Proportional to 272,156.08, 408,257.16 and 75,164.08
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Solution
The fourth proportional to 272,156.08, 408,257.16 and 75,164.08 is: 112,752.48
Step by Step Solution
- Step 1: Write the proportion equation
272,156.08 : 408,257.16 = 75,164.08 : x - Step 2: Convert to fraction form
272,156.08/408,257.16 = 75,164.08/x - Step 3: Cross multiply
272,156.08x = 408,257.16 × 75,164.08 - Step 4: Simplify right side
272,156.08x = 30,686,273,834.81 - Step 5: Solve for x
x = 30,686,273,834.81/272,156.08 - Step 6: Final answer
x = 112,752.48
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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.