Finding the Fourth Proportional to 238,295.12, 328,847.56 and 130,872.08
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Solution
The fourth proportional to 238,295.12, 328,847.56 and 130,872.08 is: 180,603.63
Step by Step Solution
- Step 1: Write the proportion equation
238,295.12 : 328,847.56 = 130,872.08 : x - Step 2: Convert to fraction form
238,295.12/328,847.56 = 130,872.08/x - Step 3: Cross multiply
238,295.12x = 328,847.56 × 130,872.08 - Step 4: Simplify right side
238,295.12x = 43,036,964,180.12 - Step 5: Solve for x
x = 43,036,964,180.12/238,295.12 - Step 6: Final answer
x = 180,603.63
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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.