Finding the Fourth Proportional to 165,018.24, 227,719.08 and 89,565.12
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Solution
The fourth proportional to 165,018.24, 227,719.08 and 89,565.12 is: 123,596.56
Step by Step Solution
- Step 1: Write the proportion equation
165,018.24 : 227,719.08 = 89,565.12 : x - Step 2: Convert to fraction form
165,018.24/227,719.08 = 89,565.12/x - Step 3: Cross multiply
165,018.24x = 227,719.08 × 89,565.12 - Step 4: Simplify right side
165,018.24x = 20,395,686,726.49 - Step 5: Solve for x
x = 20,395,686,726.49/165,018.24 - Step 6: Final answer
x = 123,596.56
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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.