Finding the Fourth Proportional to 210,451.11, 290,518.14 and 134,074.95
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Solution
The fourth proportional to 210,451.11, 290,518.14 and 134,074.95 is: 185,084.34
Step by Step Solution
- Step 1: Write the proportion equation
210,451.11 : 290,518.14 = 134,074.95 : x - Step 2: Convert to fraction form
210,451.11/290,518.14 = 134,074.95/x - Step 3: Cross multiply
210,451.11x = 290,518.14 × 134,074.95 - Step 4: Simplify right side
210,451.11x = 38,951,204,507.93 - Step 5: Solve for x
x = 38,951,204,507.93/210,451.11 - Step 6: Final answer
x = 185,084.34
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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.