Finding the Fourth Proportional to 497,195.70, 745,793.55 and 217,259.70
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Solution
The fourth proportional to 497,195.70, 745,793.55 and 217,259.70 is: 325,889.55
Step by Step Solution
- Step 1: Write the proportion equation
497,195.70 : 745,793.55 = 217,259.70 : x - Step 2: Convert to fraction form
497,195.70/745,793.55 = 217,259.70/x - Step 3: Cross multiply
497,195.70x = 745,793.55 × 217,259.70 - Step 4: Simplify right side
497,195.70x = 162,030,882,934.94 - Step 5: Solve for x
x = 162,030,882,934.94/497,195.70 - Step 6: Final answer
x = 325,889.55
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Similar ratio
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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.