Finding the Fourth Proportional to 217,394.19, 299,947.17 and 125,490.99
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Solution
The fourth proportional to 217,394.19, 299,947.17 and 125,490.99 is: 173,144.77
Step by Step Solution
- Step 1: Write the proportion equation
217,394.19 : 299,947.17 = 125,490.99 : x - Step 2: Convert to fraction form
217,394.19/299,947.17 = 125,490.99/x - Step 3: Cross multiply
217,394.19x = 299,947.17 × 125,490.99 - Step 4: Simplify right side
217,394.19x = 37,640,667,311.00 - Step 5: Solve for x
x = 37,640,667,311.00/217,394.19 - Step 6: Final answer
x = 173,144.77
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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.