Finding the Fourth Proportional to 183,780.10, 275,670.15 and 138,873.70
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Solution
The fourth proportional to 183,780.10, 275,670.15 and 138,873.70 is: 208,310.55
Step by Step Solution
- Step 1: Write the proportion equation
183,780.10 : 275,670.15 = 138,873.70 : x - Step 2: Convert to fraction form
183,780.10/275,670.15 = 138,873.70/x - Step 3: Cross multiply
183,780.10x = 275,670.15 × 138,873.70 - Step 4: Simplify right side
183,780.10x = 38,283,333,710.06 - Step 5: Solve for x
x = 38,283,333,710.06/183,780.10 - Step 6: Final answer
x = 208,310.55
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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.