Finding the Fourth Proportional to 185,532.84, 256,034.28 and 100,648.08
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Solution
The fourth proportional to 185,532.84, 256,034.28 and 100,648.08 is: 138,893.79
Step by Step Solution
- Step 1: Write the proportion equation
185,532.84 : 256,034.28 = 100,648.08 : x - Step 2: Convert to fraction form
185,532.84/256,034.28 = 100,648.08/x - Step 3: Cross multiply
185,532.84x = 256,034.28 × 100,648.08 - Step 4: Simplify right side
185,532.84x = 25,769,358,696.18 - Step 5: Solve for x
x = 25,769,358,696.18/185,532.84 - Step 6: Final answer
x = 138,893.79
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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.