Finding the Fourth Proportional to 406,424.01, 560,865.06 and 225,147.68
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Solution
The fourth proportional to 406,424.01, 560,865.06 and 225,147.68 is: 310,703.75
Step by Step Solution
- Step 1: Write the proportion equation
406,424.01 : 560,865.06 = 225,147.68 : x - Step 2: Convert to fraction form
406,424.01/560,865.06 = 225,147.68/x - Step 3: Cross multiply
406,424.01x = 560,865.06 × 225,147.68 - Step 4: Simplify right side
406,424.01x = 126,277,464,247.74 - Step 5: Solve for x
x = 126,277,464,247.74/406,424.01 - Step 6: Final answer
x = 310,703.75
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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.