Finding the Fourth Proportional to 357,889.87, 536,441.13 and 147,412.99
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Solution
The fourth proportional to 357,889.87, 536,441.13 and 147,412.99 is: 220,957.33
Step by Step Solution
- Step 1: Write the proportion equation
357,889.87 : 536,441.13 = 147,412.99 : x - Step 2: Convert to fraction form
357,889.87/536,441.13 = 147,412.99/x - Step 3: Cross multiply
357,889.87x = 536,441.13 × 147,412.99 - Step 4: Simplify right side
357,889.87x = 79,078,390,932.28 - Step 5: Solve for x
x = 79,078,390,932.28/357,889.87 - Step 6: Final answer
x = 220,957.33
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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.