Finding the Fourth Proportional to 324,823.14, 487,318.68 and 100,178.55
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Solution
The fourth proportional to 324,823.14, 487,318.68 and 100,178.55 is: 150,293.72
Step by Step Solution
- Step 1: Write the proportion equation
324,823.14 : 487,318.68 = 100,178.55 : x - Step 2: Convert to fraction form
324,823.14/487,318.68 = 100,178.55/x - Step 3: Cross multiply
324,823.14x = 487,318.68 × 100,178.55 - Step 4: Simplify right side
324,823.14x = 48,818,878,750.31 - Step 5: Solve for x
x = 48,818,878,750.31/324,823.14 - Step 6: Final answer
x = 150,293.72
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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.