Finding the Fourth Proportional to 280,043.24, 386,482.62 and 159,222.44
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Solution
The fourth proportional to 280,043.24, 386,482.62 and 159,222.44 is: 219,740.02
Step by Step Solution
- Step 1: Write the proportion equation
280,043.24 : 386,482.62 = 159,222.44 : x - Step 2: Convert to fraction form
280,043.24/386,482.62 = 159,222.44/x - Step 3: Cross multiply
280,043.24x = 386,482.62 × 159,222.44 - Step 4: Simplify right side
280,043.24x = 61,536,705,773.99 - Step 5: Solve for x
x = 61,536,705,773.99/280,043.24 - Step 6: Final answer
x = 219,740.02
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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.