Finding the Fourth Proportional to 341,491.80, 512,237.70 and 154,867.80
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Solution
The fourth proportional to 341,491.80, 512,237.70 and 154,867.80 is: 232,301.70
Step by Step Solution
- Step 1: Write the proportion equation
341,491.80 : 512,237.70 = 154,867.80 : x - Step 2: Convert to fraction form
341,491.80/512,237.70 = 154,867.80/x - Step 3: Cross multiply
341,491.80x = 512,237.70 × 154,867.80 - Step 4: Simplify right side
341,491.80x = 79,329,125,676.06 - Step 5: Solve for x
x = 79,329,125,676.06/341,491.80 - Step 6: Final answer
x = 232,301.70
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1.5x scale
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.