Finding the Fourth Proportional to 420,023.97, 630,034.77 and 104,480.91
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Solution
The fourth proportional to 420,023.97, 630,034.77 and 104,480.91 is: 156,721.07
Step by Step Solution
- Step 1: Write the proportion equation
420,023.97 : 630,034.77 = 104,480.91 : x - Step 2: Convert to fraction form
420,023.97/630,034.77 = 104,480.91/x - Step 3: Cross multiply
420,023.97x = 630,034.77 × 104,480.91 - Step 4: Simplify right side
420,023.97x = 65,826,606,101.24 - Step 5: Solve for x
x = 65,826,606,101.24/420,023.97 - Step 6: Final answer
x = 156,721.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.