Finding the Fourth Proportional to 300,605.88, 414,910.98 and 173,358.12
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Solution
The fourth proportional to 300,605.88, 414,910.98 and 173,358.12 is: 239,277.38
Step by Step Solution
- Step 1: Write the proportion equation
300,605.88 : 414,910.98 = 173,358.12 : x - Step 2: Convert to fraction form
300,605.88/414,910.98 = 173,358.12/x - Step 3: Cross multiply
300,605.88x = 414,910.98 × 173,358.12 - Step 4: Simplify right side
300,605.88x = 71,928,187,460.16 - Step 5: Solve for x
x = 71,928,187,460.16/300,605.88 - Step 6: Final answer
x = 239,277.38
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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.