Finding the Fourth Proportional to 239,154.36, 358,294.05 and 112,898.94
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Solution
The fourth proportional to 239,154.36, 358,294.05 and 112,898.94 is: 169,141.88
Step by Step Solution
- Step 1: Write the proportion equation
239,154.36 : 358,294.05 = 112,898.94 : x - Step 2: Convert to fraction form
239,154.36/358,294.05 = 112,898.94/x - Step 3: Cross multiply
239,154.36x = 358,294.05 × 112,898.94 - Step 4: Simplify right side
239,154.36x = 40,451,018,453.31 - Step 5: Solve for x
x = 40,451,018,453.31/239,154.36 - Step 6: Final answer
x = 169,141.88
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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.