Finding the Fourth Proportional to 353,023.34, 487,169.92 and 202,149.50
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Solution
The fourth proportional to 353,023.34, 487,169.92 and 202,149.50 is: 278,965.00
Step by Step Solution
- Step 1: Write the proportion equation
353,023.34 : 487,169.92 = 202,149.50 : x - Step 2: Convert to fraction form
353,023.34/487,169.92 = 202,149.50/x - Step 3: Cross multiply
353,023.34x = 487,169.92 × 202,149.50 - Step 4: Simplify right side
353,023.34x = 98,481,155,743.04 - Step 5: Solve for x
x = 98,481,155,743.04/353,023.34 - Step 6: Final answer
x = 278,965.00
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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.