Finding the Fourth Proportional to 406,604.03, 561,116.85 and 225,318.99
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Solution
The fourth proportional to 406,604.03, 561,116.85 and 225,318.99 is: 310,942.03
Step by Step Solution
- Step 1: Write the proportion equation
406,604.03 : 561,116.85 = 225,318.99 : x - Step 2: Convert to fraction form
406,604.03/561,116.85 = 225,318.99/x - Step 3: Cross multiply
406,604.03x = 561,116.85 × 225,318.99 - Step 4: Simplify right side
406,604.03x = 126,430,281,913.98 - Step 5: Solve for x
x = 126,430,281,913.98/406,604.03 - Step 6: Final answer
x = 310,942.03
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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.