Finding the Fourth Proportional to 406,020.99, 560,310.21 and 224,745.51
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Solution
The fourth proportional to 406,020.99, 560,310.21 and 224,745.51 is: 310,149.49
Step by Step Solution
- Step 1: Write the proportion equation
406,020.99 : 560,310.21 = 224,745.51 : x - Step 2: Convert to fraction form
406,020.99/560,310.21 = 224,745.51/x - Step 3: Cross multiply
406,020.99x = 560,310.21 × 224,745.51 - Step 4: Simplify right side
406,020.99x = 125,927,203,904.66 - Step 5: Solve for x
x = 125,927,203,904.66/406,020.99 - Step 6: Final answer
x = 310,149.49
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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.