Finding the Fourth Proportional to 210,657.75, 290,670.33 and 124,620.36
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Solution
The fourth proportional to 210,657.75, 290,670.33 and 124,620.36 is: 171,953.99
Step by Step Solution
- Step 1: Write the proportion equation
210,657.75 : 290,670.33 = 124,620.36 : x - Step 2: Convert to fraction form
210,657.75/290,670.33 = 124,620.36/x - Step 3: Cross multiply
210,657.75x = 290,670.33 × 124,620.36 - Step 4: Simplify right side
210,657.75x = 36,223,440,542.82 - Step 5: Solve for x
x = 36,223,440,542.82/210,657.75 - Step 6: Final answer
x = 171,953.99
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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.