Finding the Fourth Proportional to 158,619.70, 218,780.49 and 134,708.50
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Solution
The fourth proportional to 158,619.70, 218,780.49 and 134,708.50 is: 185,800.32
Step by Step Solution
- Step 1: Write the proportion equation
158,619.70 : 218,780.49 = 134,708.50 : x - Step 2: Convert to fraction form
158,619.70/218,780.49 = 134,708.50/x - Step 3: Cross multiply
158,619.70x = 218,780.49 × 134,708.50 - Step 4: Simplify right side
158,619.70x = 29,471,591,637.17 - Step 5: Solve for x
x = 29,471,591,637.17/158,619.70 - Step 6: Final answer
x = 185,800.32
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.