Finding the Fourth Proportional to 147,385.05, 203,246.87 and 93,576.65
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Solution
The fourth proportional to 147,385.05, 203,246.87 and 93,576.65 is: 129,044.03
Step by Step Solution
- Step 1: Write the proportion equation
147,385.05 : 203,246.87 = 93,576.65 : x - Step 2: Convert to fraction form
147,385.05/203,246.87 = 93,576.65/x - Step 3: Cross multiply
147,385.05x = 203,246.87 × 93,576.65 - Step 4: Simplify right side
147,385.05x = 19,019,160,435.29 - Step 5: Solve for x
x = 19,019,160,435.29/147,385.05 - Step 6: Final answer
x = 129,044.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.