Finding the Fourth Proportional to 185,809.95, 278,267.67 and 105,651.84
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Solution
The fourth proportional to 185,809.95, 278,267.67 and 105,651.84 is: 158,223.45
Step by Step Solution
- Step 1: Write the proportion equation
185,809.95 : 278,267.67 = 105,651.84 : x - Step 2: Convert to fraction form
185,809.95/278,267.67 = 105,651.84/x - Step 3: Cross multiply
185,809.95x = 278,267.67 × 105,651.84 - Step 4: Simplify right side
185,809.95x = 29,399,491,348.01 - Step 5: Solve for x
x = 29,399,491,348.01/185,809.95 - Step 6: Final answer
x = 158,223.45
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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.