Finding the Fourth Proportional to 259,499.99, 358,108.83 and 140,267.99
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Solution
The fourth proportional to 259,499.99, 358,108.83 and 140,267.99 is: 193,569.20
Step by Step Solution
- Step 1: Write the proportion equation
259,499.99 : 358,108.83 = 140,267.99 : x - Step 2: Convert to fraction form
259,499.99/358,108.83 = 140,267.99/x - Step 3: Cross multiply
259,499.99x = 358,108.83 × 140,267.99 - Step 4: Simplify right side
259,499.99x = 50,231,203,293.47 - Step 5: Solve for x
x = 50,231,203,293.47/259,499.99 - Step 6: Final answer
x = 193,569.20
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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.