Finding the Fourth Proportional to 113,878.97, 157,150.28 and 62,890.68
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Solution
The fourth proportional to 113,878.97, 157,150.28 and 62,890.68 is: 86,787.65
Step by Step Solution
- Step 1: Write the proportion equation
113,878.97 : 157,150.28 = 62,890.68 : x - Step 2: Convert to fraction form
113,878.97/157,150.28 = 62,890.68/x - Step 3: Cross multiply
113,878.97x = 157,150.28 × 62,890.68 - Step 4: Simplify right side
113,878.97x = 9,883,288,128.62 - Step 5: Solve for x
x = 9,883,288,128.62/113,878.97 - Step 6: Final answer
x = 86,787.65
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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.