Finding the Fourth Proportional to 238,243.97, 328,774.41 and 130,813.07
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Solution
The fourth proportional to 238,243.97, 328,774.41 and 130,813.07 is: 180,520.78
Step by Step Solution
- Step 1: Write the proportion equation
238,243.97 : 328,774.41 = 130,813.07 : x - Step 2: Convert to fraction form
238,243.97/328,774.41 = 130,813.07/x - Step 3: Cross multiply
238,243.97x = 328,774.41 × 130,813.07 - Step 4: Simplify right side
238,243.97x = 43,007,988,265.67 - Step 5: Solve for x
x = 43,007,988,265.67/238,243.97 - Step 6: Final answer
x = 180,520.78
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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.