Finding the Fourth Proportional to 207,117.99, 286,644.56 and 202,149.86
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Solution
The fourth proportional to 207,117.99, 286,644.56 and 202,149.86 is: 279,768.82
Step by Step Solution
- Step 1: Write the proportion equation
207,117.99 : 286,644.56 = 202,149.86 : x - Step 2: Convert to fraction form
207,117.99/286,644.56 = 202,149.86/x - Step 3: Cross multiply
207,117.99x = 286,644.56 × 202,149.86 - Step 4: Simplify right side
207,117.99x = 57,945,155,229.79 - Step 5: Solve for x
x = 57,945,155,229.79/207,117.99 - Step 6: Final answer
x = 279,768.82
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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.