Finding the Fourth Proportional to 178,252.92, 246,064.92 and 120,122.40
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Solution
The fourth proportional to 178,252.92, 246,064.92 and 120,122.40 is: 165,820.05
Step by Step Solution
- Step 1: Write the proportion equation
178,252.92 : 246,064.92 = 120,122.40 : x - Step 2: Convert to fraction form
178,252.92/246,064.92 = 120,122.40/x - Step 3: Cross multiply
178,252.92x = 246,064.92 × 120,122.40 - Step 4: Simplify right side
178,252.92x = 29,557,908,746.21 - Step 5: Solve for x
x = 29,557,908,746.21/178,252.92 - Step 6: Final answer
x = 165,820.05
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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.