Finding the Fourth Proportional to 134,542.19, 201,714.45 and 64,470.71
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Solution
The fourth proportional to 134,542.19, 201,714.45 and 64,470.71 is: 96,658.70
Step by Step Solution
- Step 1: Write the proportion equation
134,542.19 : 201,714.45 = 64,470.71 : x - Step 2: Convert to fraction form
134,542.19/201,714.45 = 64,470.71/x - Step 3: Cross multiply
134,542.19x = 201,714.45 × 64,470.71 - Step 4: Simplify right side
134,542.19x = 13,004,672,800.19 - Step 5: Solve for x
x = 13,004,672,800.19/134,542.19 - Step 6: Final answer
x = 96,658.70
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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.