Finding the Fourth Proportional to 110,263.28, 152,197.58 and 87,642.41
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Solution
The fourth proportional to 110,263.28, 152,197.58 and 87,642.41 is: 120,973.75
Step by Step Solution
- Step 1: Write the proportion equation
110,263.28 : 152,197.58 = 87,642.41 : x - Step 2: Convert to fraction form
110,263.28/152,197.58 = 87,642.41/x - Step 3: Cross multiply
110,263.28x = 152,197.58 × 87,642.41 - Step 4: Simplify right side
110,263.28x = 13,338,962,165.49 - Step 5: Solve for x
x = 13,338,962,165.49/110,263.28 - Step 6: Final answer
x = 120,973.75
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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.