Finding the Fourth Proportional to 210,747.60, 290,793.84 and 124,663.68
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Solution
The fourth proportional to 210,747.60, 290,793.84 and 124,663.68 is: 172,013.49
Step by Step Solution
- Step 1: Write the proportion equation
210,747.60 : 290,793.84 = 124,663.68 : x - Step 2: Convert to fraction form
210,747.60/290,793.84 = 124,663.68/x - Step 3: Cross multiply
210,747.60x = 290,793.84 × 124,663.68 - Step 4: Simplify right side
210,747.60x = 36,251,430,215.73 - Step 5: Solve for x
x = 36,251,430,215.73/210,747.60 - Step 6: Final answer
x = 172,013.49
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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.