Finding the Fourth Proportional to 245,257.87, 338,425.49 and 141,909.83
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Solution
The fourth proportional to 245,257.87, 338,425.49 and 141,909.83 is: 195,817.99
Step by Step Solution
- Step 1: Write the proportion equation
245,257.87 : 338,425.49 = 141,909.83 : x - Step 2: Convert to fraction form
245,257.87/338,425.49 = 141,909.83/x - Step 3: Cross multiply
245,257.87x = 338,425.49 × 141,909.83 - Step 4: Simplify right side
245,257.87x = 48,025,903,753.57 - Step 5: Solve for x
x = 48,025,903,753.57/245,257.87 - Step 6: Final answer
x = 195,817.99
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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.