Finding the Fourth Proportional to 150,620.09, 207,801.18 and 98,965.01
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Solution
The fourth proportional to 150,620.09, 207,801.18 and 98,965.01 is: 136,535.88
Step by Step Solution
- Step 1: Write the proportion equation
150,620.09 : 207,801.18 = 98,965.01 : x - Step 2: Convert to fraction form
150,620.09/207,801.18 = 98,965.01/x - Step 3: Cross multiply
150,620.09x = 207,801.18 × 98,965.01 - Step 4: Simplify right side
150,620.09x = 20,565,046,116.46 - Step 5: Solve for x
x = 20,565,046,116.46/150,620.09 - Step 6: Final answer
x = 136,535.88
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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.