Finding the Fourth Proportional to 649,195.70, 973,793.55 and 205,963.70
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Solution
The fourth proportional to 649,195.70, 973,793.55 and 205,963.70 is: 308,945.55
Step by Step Solution
- Step 1: Write the proportion equation
649,195.70 : 973,793.55 = 205,963.70 : x - Step 2: Convert to fraction form
649,195.70/973,793.55 = 205,963.70/x - Step 3: Cross multiply
649,195.70x = 973,793.55 × 205,963.70 - Step 4: Simplify right side
649,195.70x = 200,566,122,594.14 - Step 5: Solve for x
x = 200,566,122,594.14/649,195.70 - Step 6: Final answer
x = 308,945.55
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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.