Finding the Fourth Proportional to 324,844.34, 487,079.46 and 125,138.70
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Solution
The fourth proportional to 324,844.34, 487,079.46 and 125,138.70 is: 187,636.00
Step by Step Solution
- Step 1: Write the proportion equation
324,844.34 : 487,079.46 = 125,138.70 : x - Step 2: Convert to fraction form
324,844.34/487,079.46 = 125,138.70/x - Step 3: Cross multiply
324,844.34x = 487,079.46 × 125,138.70 - Step 4: Simplify right side
324,844.34x = 60,952,490,421.10 - Step 5: Solve for x
x = 60,952,490,421.10/324,844.34 - Step 6: Final answer
x = 187,636.00
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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.