Finding the Fourth Proportional to 618,904.99, 928,370.49 and 198,179.65
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Solution
The fourth proportional to 618,904.99, 928,370.49 and 198,179.65 is: 297,273.64
Step by Step Solution
- Step 1: Write the proportion equation
618,904.99 : 928,370.49 = 198,179.65 : x - Step 2: Convert to fraction form
618,904.99/928,370.49 = 198,179.65/x - Step 3: Cross multiply
618,904.99x = 928,370.49 × 198,179.65 - Step 4: Simplify right side
618,904.99x = 183,984,138,778.53 - Step 5: Solve for x
x = 183,984,138,778.53/618,904.99 - Step 6: Final answer
x = 297,273.64
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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.