Finding the Fourth Proportional to 619,270.23, 928,682.49 and 214,352.42
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Solution
The fourth proportional to 619,270.23, 928,682.49 and 214,352.42 is: 321,451.49
Step by Step Solution
- Step 1: Write the proportion equation
619,270.23 : 928,682.49 = 214,352.42 : x - Step 2: Convert to fraction form
619,270.23/928,682.49 = 214,352.42/x - Step 3: Cross multiply
619,270.23x = 928,682.49 × 214,352.42 - Step 4: Simplify right side
619,270.23x = 199,065,339,143.13 - Step 5: Solve for x
x = 199,065,339,143.13/619,270.23 - Step 6: Final answer
x = 321,451.49
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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.