Finding the Fourth Proportional to 110,418.99, 152,366.09 and 62,011.10
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Solution
The fourth proportional to 110,418.99, 152,366.09 and 62,011.10 is: 85,568.50
Step by Step Solution
- Step 1: Write the proportion equation
110,418.99 : 152,366.09 = 62,011.10 : x - Step 2: Convert to fraction form
110,418.99/152,366.09 = 62,011.10/x - Step 3: Cross multiply
110,418.99x = 152,366.09 × 62,011.10 - Step 4: Simplify right side
110,418.99x = 9,448,387,771.71 - Step 5: Solve for x
x = 9,448,387,771.71/110,418.99 - Step 6: Final answer
x = 85,568.50
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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.