Finding the Fourth Proportional to 186,128.27, 278,487.86 and 110,267.53
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Solution
The fourth proportional to 186,128.27, 278,487.86 and 110,267.53 is: 164,983.90
Step by Step Solution
- Step 1: Write the proportion equation
186,128.27 : 278,487.86 = 110,267.53 : x - Step 2: Convert to fraction form
186,128.27/278,487.86 = 110,267.53/x - Step 3: Cross multiply
186,128.27x = 278,487.86 × 110,267.53 - Step 4: Simplify right side
186,128.27x = 30,708,167,209.63 - Step 5: Solve for x
x = 30,708,167,209.63/186,128.27 - Step 6: Final answer
x = 164,983.90
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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.