Finding the Fourth Proportional to 340,821.99, 470,279.03 and 197,554.05
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Solution
The fourth proportional to 340,821.99, 470,279.03 and 197,554.05 is: 272,592.53
Step by Step Solution
- Step 1: Write the proportion equation
340,821.99 : 470,279.03 = 197,554.05 : x - Step 2: Convert to fraction form
340,821.99/470,279.03 = 197,554.05/x - Step 3: Cross multiply
340,821.99x = 470,279.03 × 197,554.05 - Step 4: Simplify right side
340,821.99x = 92,905,527,006.57 - Step 5: Solve for x
x = 92,905,527,006.57/340,821.99 - Step 6: Final answer
x = 272,592.53
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1.5x scale
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.