Finding the Fourth Proportional to 355,106.14, 532,733.98 and 115,201.28
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Solution
The fourth proportional to 355,106.14, 532,733.98 and 115,201.28 is: 172,826.18
Step by Step Solution
- Step 1: Write the proportion equation
355,106.14 : 532,733.98 = 115,201.28 : x - Step 2: Convert to fraction form
355,106.14/532,733.98 = 115,201.28/x - Step 3: Cross multiply
355,106.14x = 532,733.98 × 115,201.28 - Step 4: Simplify right side
355,106.14x = 61,371,636,395.49 - Step 5: Solve for x
x = 61,371,636,395.49/355,106.14 - Step 6: Final answer
x = 172,826.18
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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.