Finding the Fourth Proportional to 309,593.54, 427,360.76 and 207,581.84
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Solution
The fourth proportional to 309,593.54, 427,360.76 and 207,581.84 is: 286,544.52
Step by Step Solution
- Step 1: Write the proportion equation
309,593.54 : 427,360.76 = 207,581.84 : x - Step 2: Convert to fraction form
309,593.54/427,360.76 = 207,581.84/x - Step 3: Cross multiply
309,593.54x = 427,360.76 × 207,581.84 - Step 4: Simplify right side
309,593.54x = 88,712,332,110.92 - Step 5: Solve for x
x = 88,712,332,110.92/309,593.54 - Step 6: Final answer
x = 286,544.52
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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.