Finding the Fourth Proportional to 257,154.66, 385,793.10 and 107,311.68
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Solution
The fourth proportional to 257,154.66, 385,793.10 and 107,311.68 is: 160,993.02
Step by Step Solution
- Step 1: Write the proportion equation
257,154.66 : 385,793.10 = 107,311.68 : x - Step 2: Convert to fraction form
257,154.66/385,793.10 = 107,311.68/x - Step 3: Cross multiply
257,154.66x = 385,793.10 × 107,311.68 - Step 4: Simplify right side
257,154.66x = 41,400,105,693.41 - Step 5: Solve for x
x = 41,400,105,693.41/257,154.66 - Step 6: Final answer
x = 160,993.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.