Finding the Fourth Proportional to 464,910.10, 697,364.70 and 127,952.68
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Solution
The fourth proportional to 464,910.10, 697,364.70 and 127,952.68 is: 191,928.90
Step by Step Solution
- Step 1: Write the proportion equation
464,910.10 : 697,364.70 = 127,952.68 : x - Step 2: Convert to fraction form
464,910.10/697,364.70 = 127,952.68/x - Step 3: Cross multiply
464,910.10x = 697,364.70 × 127,952.68 - Step 4: Simplify right side
464,910.10x = 89,229,682,302.40 - Step 5: Solve for x
x = 89,229,682,302.40/464,910.10 - Step 6: Final answer
x = 191,928.90
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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.