Finding the Fourth Proportional to 134,488.08, 201,758.85 and 45,717.75
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Solution
The fourth proportional to 134,488.08, 201,758.85 and 45,717.75 is: 68,585.71
Step by Step Solution
- Step 1: Write the proportion equation
134,488.08 : 201,758.85 = 45,717.75 : x - Step 2: Convert to fraction form
134,488.08/201,758.85 = 45,717.75/x - Step 3: Cross multiply
134,488.08x = 201,758.85 × 45,717.75 - Step 4: Simplify right side
134,488.08x = 9,223,960,664.59 - Step 5: Solve for x
x = 9,223,960,664.59/134,488.08 - Step 6: Final answer
x = 68,585.71
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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.