Finding the Fourth Proportional to 406,032.12, 560,319.60 and 224,744.40
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Solution
The fourth proportional to 406,032.12, 560,319.60 and 224,744.40 is: 310,144.66
Step by Step Solution
- Step 1: Write the proportion equation
406,032.12 : 560,319.60 = 224,744.40 : x - Step 2: Convert to fraction form
406,032.12/560,319.60 = 224,744.40/x - Step 3: Cross multiply
406,032.12x = 560,319.60 × 224,744.40 - Step 4: Simplify right side
406,032.12x = 125,928,692,310.24 - Step 5: Solve for x
x = 125,928,692,310.24/406,032.12 - Step 6: Final answer
x = 310,144.66
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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.