Finding the Fourth Proportional to 287,426.43, 396,660.74 and 160,101.99
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Solution
The fourth proportional to 287,426.43, 396,660.74 and 160,101.99 is: 220,947.58
Step by Step Solution
- Step 1: Write the proportion equation
287,426.43 : 396,660.74 = 160,101.99 : x - Step 2: Convert to fraction form
287,426.43/396,660.74 = 160,101.99/x - Step 3: Cross multiply
287,426.43x = 396,660.74 × 160,101.99 - Step 4: Simplify right side
287,426.43x = 63,506,173,028.36 - Step 5: Solve for x
x = 63,506,173,028.36/287,426.43 - Step 6: Final answer
x = 220,947.58
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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.