Finding the Fourth Proportional to 323,914.99, 485,901.64 and 87,252.43
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Solution
The fourth proportional to 323,914.99, 485,901.64 and 87,252.43 is: 130,886.50
Step by Step Solution
- Step 1: Write the proportion equation
323,914.99 : 485,901.64 = 87,252.43 : x - Step 2: Convert to fraction form
323,914.99/485,901.64 = 87,252.43/x - Step 3: Cross multiply
323,914.99x = 485,901.64 × 87,252.43 - Step 4: Simplify right side
323,914.99x = 42,396,098,830.99 - Step 5: Solve for x
x = 42,396,098,830.99/323,914.99 - Step 6: Final answer
x = 130,886.50
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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.