Finding the Fourth Proportional to 103,733.13, 155,585.71 and 40,509.09
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Solution
The fourth proportional to 103,733.13, 155,585.71 and 40,509.09 is: 60,758.17
Step by Step Solution
- Step 1: Write the proportion equation
103,733.13 : 155,585.71 = 40,509.09 : x - Step 2: Convert to fraction form
103,733.13/155,585.71 = 40,509.09/x - Step 3: Cross multiply
103,733.13x = 155,585.71 × 40,509.09 - Step 4: Simplify right side
103,733.13x = 6,302,635,529.10 - Step 5: Solve for x
x = 6,302,635,529.10/103,733.13 - Step 6: Final answer
x = 60,758.17
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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.