Finding the Fourth Proportional to 347,432.09, 520,794.09 and 147,625.07
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Solution
The fourth proportional to 347,432.09, 520,794.09 and 147,625.07 is: 221,287.17
Step by Step Solution
- Step 1: Write the proportion equation
347,432.09 : 520,794.09 = 147,625.07 : x - Step 2: Convert to fraction form
347,432.09/520,794.09 = 147,625.07/x - Step 3: Cross multiply
347,432.09x = 520,794.09 × 147,625.07 - Step 4: Simplify right side
347,432.09x = 76,882,261,387.87 - Step 5: Solve for x
x = 76,882,261,387.87/347,432.09 - Step 6: Final answer
x = 221,287.17
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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.