Finding the Fourth Proportional to 272,094.87, 408,146.46 and 103,624.53
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Solution
The fourth proportional to 272,094.87, 408,146.46 and 103,624.53 is: 155,438.37
Step by Step Solution
- Step 1: Write the proportion equation
272,094.87 : 408,146.46 = 103,624.53 : x - Step 2: Convert to fraction form
272,094.87/408,146.46 = 103,624.53/x - Step 3: Cross multiply
272,094.87x = 408,146.46 × 103,624.53 - Step 4: Simplify right side
272,094.87x = 42,293,983,752.41 - Step 5: Solve for x
x = 42,293,983,752.41/272,094.87 - Step 6: Final answer
x = 155,438.37
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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.