Finding the Fourth Proportional to 174,246.12, 240,422.99 and 113,905.17
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Solution
The fourth proportional to 174,246.12, 240,422.99 and 113,905.17 is: 157,165.17
Step by Step Solution
- Step 1: Write the proportion equation
174,246.12 : 240,422.99 = 113,905.17 : x - Step 2: Convert to fraction form
174,246.12/240,422.99 = 113,905.17/x - Step 3: Cross multiply
174,246.12x = 240,422.99 × 113,905.17 - Step 4: Simplify right side
174,246.12x = 27,385,420,978.33 - Step 5: Solve for x
x = 27,385,420,978.33/174,246.12 - Step 6: Final answer
x = 157,165.17
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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.