Finding the Fourth Proportional to 280,387.96, 420,570.99 and 93,399.46
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Solution
The fourth proportional to 280,387.96, 420,570.99 and 93,399.46 is: 140,095.54
Step by Step Solution
- Step 1: Write the proportion equation
280,387.96 : 420,570.99 = 93,399.46 : x - Step 2: Convert to fraction form
280,387.96/420,570.99 = 93,399.46/x - Step 3: Cross multiply
280,387.96x = 420,570.99 × 93,399.46 - Step 4: Simplify right side
280,387.96x = 39,281,102,306.24 - Step 5: Solve for x
x = 39,281,102,306.24/280,387.96 - Step 6: Final answer
x = 140,095.54
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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.