Finding the Fourth Proportional to 146,589.10, 219,883.65 and 133,029.70
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Solution
The fourth proportional to 146,589.10, 219,883.65 and 133,029.70 is: 199,544.55
Step by Step Solution
- Step 1: Write the proportion equation
146,589.10 : 219,883.65 = 133,029.70 : x - Step 2: Convert to fraction form
146,589.10/219,883.65 = 133,029.70/x - Step 3: Cross multiply
146,589.10x = 219,883.65 × 133,029.70 - Step 4: Simplify right side
146,589.10x = 29,251,055,994.41 - Step 5: Solve for x
x = 29,251,055,994.41/146,589.10 - Step 6: Final answer
x = 199,544.55
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1.5x scale
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.