Finding the Fourth Proportional to 347,291.80, 520,937.70 and 207,323.80
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Solution
The fourth proportional to 347,291.80, 520,937.70 and 207,323.80 is: 310,985.70
Step by Step Solution
- Step 1: Write the proportion equation
347,291.80 : 520,937.70 = 207,323.80 : x - Step 2: Convert to fraction form
347,291.80/520,937.70 = 207,323.80/x - Step 3: Cross multiply
347,291.80x = 520,937.70 × 207,323.80 - Step 4: Simplify right side
347,291.80x = 108,002,783,527.26 - Step 5: Solve for x
x = 108,002,783,527.26/347,291.80 - Step 6: Final answer
x = 310,985.70
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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.