Finding the Fourth Proportional to 661,793.24, 992,596.14 and 212,454.95
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Solution
The fourth proportional to 661,793.24, 992,596.14 and 212,454.95 is: 318,652.33
Step by Step Solution
- Step 1: Write the proportion equation
661,793.24 : 992,596.14 = 212,454.95 : x - Step 2: Convert to fraction form
661,793.24/992,596.14 = 212,454.95/x - Step 3: Cross multiply
661,793.24x = 992,596.14 × 212,454.95 - Step 4: Simplify right side
661,793.24x = 210,881,958,330.91 - Step 5: Solve for x
x = 210,881,958,330.91/661,793.24 - Step 6: Final answer
x = 318,652.33
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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.