Finding the Fourth Proportional to 134,370.69, 201,585.19 and 40,874.01
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Solution
The fourth proportional to 134,370.69, 201,585.19 and 40,874.01 is: 61,319.88
Step by Step Solution
- Step 1: Write the proportion equation
134,370.69 : 201,585.19 = 40,874.01 : x - Step 2: Convert to fraction form
134,370.69/201,585.19 = 40,874.01/x - Step 3: Cross multiply
134,370.69x = 201,585.19 × 40,874.01 - Step 4: Simplify right side
134,370.69x = 8,239,595,071.91 - Step 5: Solve for x
x = 8,239,595,071.91/134,370.69 - Step 6: Final answer
x = 61,319.88
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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.