Finding the Fourth Proportional to 491,253.01, 736,879.47 and 136,267.05
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Solution
The fourth proportional to 491,253.01, 736,879.47 and 136,267.05 is: 204,400.56
Step by Step Solution
- Step 1: Write the proportion equation
491,253.01 : 736,879.47 = 136,267.05 : x - Step 2: Convert to fraction form
491,253.01/736,879.47 = 136,267.05/x - Step 3: Cross multiply
491,253.01x = 736,879.47 × 136,267.05 - Step 4: Simplify right side
491,253.01x = 100,412,391,582.46 - Step 5: Solve for x
x = 100,412,391,582.46/491,253.01 - Step 6: Final answer
x = 204,400.56
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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.