Finding the Fourth Proportional to 210,873.48, 290,976.68 and 125,972.52
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Solution
The fourth proportional to 210,873.48, 290,976.68 and 125,972.52 is: 173,824.92
Step by Step Solution
- Step 1: Write the proportion equation
210,873.48 : 290,976.68 = 125,972.52 : x - Step 2: Convert to fraction form
210,873.48/290,976.68 = 125,972.52/x - Step 3: Cross multiply
210,873.48x = 290,976.68 × 125,972.52 - Step 4: Simplify right side
210,873.48x = 36,655,065,640.83 - Step 5: Solve for x
x = 36,655,065,640.83/210,873.48 - Step 6: Final answer
x = 173,824.92
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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.