Finding the Fourth Proportional to 313,863.36, 470,795.16 and 127,006.08
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Solution
The fourth proportional to 313,863.36, 470,795.16 and 127,006.08 is: 190,509.17
Step by Step Solution
- Step 1: Write the proportion equation
313,863.36 : 470,795.16 = 127,006.08 : x - Step 2: Convert to fraction form
313,863.36/470,795.16 = 127,006.08/x - Step 3: Cross multiply
313,863.36x = 470,795.16 × 127,006.08 - Step 4: Simplify right side
313,863.36x = 59,793,847,754.57 - Step 5: Solve for x
x = 59,793,847,754.57/313,863.36 - Step 6: Final answer
x = 190,509.17
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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.