Finding the Fourth Proportional to 406,904.50, 561,534.97 and 225,624.08
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Solution
The fourth proportional to 406,904.50, 561,534.97 and 225,624.08 is: 311,364.98
Step by Step Solution
- Step 1: Write the proportion equation
406,904.50 : 561,534.97 = 225,624.08 : x - Step 2: Convert to fraction form
406,904.50/561,534.97 = 225,624.08/x - Step 3: Cross multiply
406,904.50x = 561,534.97 × 225,624.08 - Step 4: Simplify right side
406,904.50x = 126,695,810,994.08 - Step 5: Solve for x
x = 126,695,810,994.08/406,904.50 - Step 6: Final answer
x = 311,364.98
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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.