Finding the Fourth Proportional to 347,239.70, 520,081.94 and 207,271.70
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Solution
The fourth proportional to 347,239.70, 520,081.94 and 207,271.70 is: 310,443.38
Step by Step Solution
- Step 1: Write the proportion equation
347,239.70 : 520,081.94 = 207,271.70 : x - Step 2: Convert to fraction form
347,239.70/520,081.94 = 207,271.70/x - Step 3: Cross multiply
347,239.70x = 520,081.94 × 207,271.70 - Step 4: Simplify right side
347,239.70x = 107,798,267,843.10 - Step 5: Solve for x
x = 107,798,267,843.10/347,239.70 - Step 6: Final answer
x = 310,443.38
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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.