Finding the Fourth Proportional to 247,789.09, 341,947.06 and 134,612.65
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Solution
The fourth proportional to 247,789.09, 341,947.06 and 134,612.65 is: 185,764.43
Step by Step Solution
- Step 1: Write the proportion equation
247,789.09 : 341,947.06 = 134,612.65 : x - Step 2: Convert to fraction form
247,789.09/341,947.06 = 134,612.65/x - Step 3: Cross multiply
247,789.09x = 341,947.06 × 134,612.65 - Step 4: Simplify right side
247,789.09x = 46,030,399,906.31 - Step 5: Solve for x
x = 46,030,399,906.31/247,789.09 - Step 6: Final answer
x = 185,764.43
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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.