Finding the Fourth Proportional to 247,719.97, 341,794.99 and 145,749.88
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Solution
The fourth proportional to 247,719.97, 341,794.99 and 145,749.88 is: 201,100.38
Step by Step Solution
- Step 1: Write the proportion equation
247,719.97 : 341,794.99 = 145,749.88 : x - Step 2: Convert to fraction form
247,719.97/341,794.99 = 145,749.88/x - Step 3: Cross multiply
247,719.97x = 341,794.99 × 145,749.88 - Step 4: Simplify right side
247,719.97x = 49,816,579,386.53 - Step 5: Solve for x
x = 49,816,579,386.53/247,719.97 - Step 6: Final answer
x = 201,100.38
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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.