Finding the Fourth Proportional to 260,780.70, 359,523.99 and 222,946.65
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Solution
The fourth proportional to 260,780.70, 359,523.99 and 222,946.65 is: 307,364.27
Step by Step Solution
- Step 1: Write the proportion equation
260,780.70 : 359,523.99 = 222,946.65 : x - Step 2: Convert to fraction form
260,780.70/359,523.99 = 222,946.65/x - Step 3: Cross multiply
260,780.70x = 359,523.99 × 222,946.65 - Step 4: Simplify right side
260,780.70x = 80,154,669,165.13 - Step 5: Solve for x
x = 80,154,669,165.13/260,780.70 - Step 6: Final answer
x = 307,364.27
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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.