Finding the Fourth Proportional to 110,434.17, 152,395.77 and 61,375.62
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Solution
The fourth proportional to 110,434.17, 152,395.77 and 61,375.62 is: 84,696.47
Step by Step Solution
- Step 1: Write the proportion equation
110,434.17 : 152,395.77 = 61,375.62 : x - Step 2: Convert to fraction form
110,434.17/152,395.77 = 61,375.62/x - Step 3: Cross multiply
110,434.17x = 152,395.77 × 61,375.62 - Step 4: Simplify right side
110,434.17x = 9,353,384,869.13 - Step 5: Solve for x
x = 9,353,384,869.13/110,434.17 - Step 6: Final answer
x = 84,696.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.