Finding the Fourth Proportional to 313,497.40, 470,246.10 and 195,107.80
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Solution
The fourth proportional to 313,497.40, 470,246.10 and 195,107.80 is: 292,661.70
Step by Step Solution
- Step 1: Write the proportion equation
313,497.40 : 470,246.10 = 195,107.80 : x - Step 2: Convert to fraction form
313,497.40/470,246.10 = 195,107.80/x - Step 3: Cross multiply
313,497.40x = 470,246.10 × 195,107.80 - Step 4: Simplify right side
313,497.40x = 91,748,682,029.58 - Step 5: Solve for x
x = 91,748,682,029.58/313,497.40 - Step 6: Final answer
x = 292,661.70
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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.