Finding the Fourth Proportional to 238,201.24, 328,724.84 and 130,778.52
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Solution
The fourth proportional to 238,201.24, 328,724.84 and 130,778.52 is: 180,478.27
Step by Step Solution
- Step 1: Write the proportion equation
238,201.24 : 328,724.84 = 130,778.52 : x - Step 2: Convert to fraction form
238,201.24/328,724.84 = 130,778.52/x - Step 3: Cross multiply
238,201.24x = 328,724.84 × 130,778.52 - Step 4: Simplify right side
238,201.24x = 42,990,148,062.44 - Step 5: Solve for x
x = 42,990,148,062.44/238,201.24 - Step 6: Final answer
x = 180,478.27
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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.