Finding the Fourth Proportional to 179,532.59, 247,737.08 and 106,921.08
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Solution
The fourth proportional to 179,532.59, 247,737.08 and 106,921.08 is: 147,540.44
Step by Step Solution
- Step 1: Write the proportion equation
179,532.59 : 247,737.08 = 106,921.08 : x - Step 2: Convert to fraction form
179,532.59/247,737.08 = 106,921.08/x - Step 3: Cross multiply
179,532.59x = 247,737.08 × 106,921.08 - Step 4: Simplify right side
179,532.59x = 26,488,316,416.95 - Step 5: Solve for x
x = 26,488,316,416.95/179,532.59 - Step 6: Final answer
x = 147,540.44
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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.