Finding the Fourth Proportional to 219,187.41, 328,516.74 and 106,699.02
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Solution
The fourth proportional to 219,187.41, 328,516.74 and 106,699.02 is: 159,919.83
Step by Step Solution
- Step 1: Write the proportion equation
219,187.41 : 328,516.74 = 106,699.02 : x - Step 2: Convert to fraction form
219,187.41/328,516.74 = 106,699.02/x - Step 3: Cross multiply
219,187.41x = 328,516.74 × 106,699.02 - Step 4: Simplify right side
219,187.41x = 35,052,414,211.59 - Step 5: Solve for x
x = 35,052,414,211.59/219,187.41 - Step 6: Final answer
x = 159,919.83
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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.