Finding the Fourth Proportional to 150,169.06, 207,279.42 and 86,549.20
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Solution
The fourth proportional to 150,169.06, 207,279.42 and 86,549.20 is: 119,464.48
Step by Step Solution
- Step 1: Write the proportion equation
150,169.06 : 207,279.42 = 86,549.20 : x - Step 2: Convert to fraction form
150,169.06/207,279.42 = 86,549.20/x - Step 3: Cross multiply
150,169.06x = 207,279.42 × 86,549.20 - Step 4: Simplify right side
150,169.06x = 17,939,867,977.46 - Step 5: Solve for x
x = 17,939,867,977.46/150,169.06 - Step 6: Final answer
x = 119,464.48
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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.