Finding the Fourth Proportional to 439,828.80, 659,224.80 and 187,108.80
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Solution
The fourth proportional to 439,828.80, 659,224.80 and 187,108.80 is: 280,442.67
Step by Step Solution
- Step 1: Write the proportion equation
439,828.80 : 659,224.80 = 187,108.80 : x - Step 2: Convert to fraction form
439,828.80/659,224.80 = 187,108.80/x - Step 3: Cross multiply
439,828.80x = 659,224.80 × 187,108.80 - Step 4: Simplify right side
439,828.80x = 123,346,761,258.24 - Step 5: Solve for x
x = 123,346,761,258.24/439,828.80 - Step 6: Final answer
x = 280,442.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.