Finding the Fourth Proportional to 451,983.36, 678,195.36 and 185,823.84
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Solution
The fourth proportional to 451,983.36, 678,195.36 and 185,823.84 is: 278,826.34
Step by Step Solution
- Step 1: Write the proportion equation
451,983.36 : 678,195.36 = 185,823.84 : x - Step 2: Convert to fraction form
451,983.36/678,195.36 = 185,823.84/x - Step 3: Cross multiply
451,983.36x = 678,195.36 × 185,823.84 - Step 4: Simplify right side
451,983.36x = 126,024,866,065.38 - Step 5: Solve for x
x = 126,024,866,065.38/451,983.36 - Step 6: Final answer
x = 278,826.34
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.