Finding the Fourth Proportional to 236,081.78, 354,191.62 and 76,154.17
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Solution
The fourth proportional to 236,081.78, 354,191.62 and 76,154.17 is: 114,253.50
Step by Step Solution
- Step 1: Write the proportion equation
236,081.78 : 354,191.62 = 76,154.17 : x - Step 2: Convert to fraction form
236,081.78/354,191.62 = 76,154.17/x - Step 3: Cross multiply
236,081.78x = 354,191.62 × 76,154.17 - Step 4: Simplify right side
236,081.78x = 26,973,168,842.06 - Step 5: Solve for x
x = 26,973,168,842.06/236,081.78 - Step 6: Final answer
x = 114,253.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.