Finding the Fourth Proportional to 210,726.36, 290,793.12 and 120,101.94
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Solution
The fourth proportional to 210,726.36, 290,793.12 and 120,101.94 is: 165,735.40
Step by Step Solution
- Step 1: Write the proportion equation
210,726.36 : 290,793.12 = 120,101.94 : x - Step 2: Convert to fraction form
210,726.36/290,793.12 = 120,101.94/x - Step 3: Cross multiply
210,726.36x = 290,793.12 × 120,101.94 - Step 4: Simplify right side
210,726.36x = 34,924,817,850.65 - Step 5: Solve for x
x = 34,924,817,850.65/210,726.36 - Step 6: Final answer
x = 165,735.40
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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.