Finding the Fourth Proportional to 185,422.05, 278,010.18 and 67,077.99
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Solution
The fourth proportional to 185,422.05, 278,010.18 and 67,077.99 is: 100,572.53
Step by Step Solution
- Step 1: Write the proportion equation
185,422.05 : 278,010.18 = 67,077.99 : x - Step 2: Convert to fraction form
185,422.05/278,010.18 = 67,077.99/x - Step 3: Cross multiply
185,422.05x = 278,010.18 × 67,077.99 - Step 4: Simplify right side
185,422.05x = 18,648,364,073.94 - Step 5: Solve for x
x = 18,648,364,073.94/185,422.05 - Step 6: Final answer
x = 100,572.53
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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.