Finding the Fourth Proportional to 440,815.98, 608,283.49 and 247,231.65
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Solution
The fourth proportional to 440,815.98, 608,283.49 and 247,231.65 is: 341,155.81
Step by Step Solution
- Step 1: Write the proportion equation
440,815.98 : 608,283.49 = 247,231.65 : x - Step 2: Convert to fraction form
440,815.98/608,283.49 = 247,231.65/x - Step 3: Cross multiply
440,815.98x = 608,283.49 × 247,231.65 - Step 4: Simplify right side
440,815.98x = 150,386,930,900.46 - Step 5: Solve for x
x = 150,386,930,900.46/440,815.98 - Step 6: Final answer
x = 341,155.81
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.