Finding the Fourth Proportional to 202,964.21, 280,095.18 and 131,468.68
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Solution
The fourth proportional to 202,964.21, 280,095.18 and 131,468.68 is: 181,429.73
Step by Step Solution
- Step 1: Write the proportion equation
202,964.21 : 280,095.18 = 131,468.68 : x - Step 2: Convert to fraction form
202,964.21/280,095.18 = 131,468.68/x - Step 3: Cross multiply
202,964.21x = 280,095.18 × 131,468.68 - Step 4: Simplify right side
202,964.21x = 36,823,742,610.05 - Step 5: Solve for x
x = 36,823,742,610.05/202,964.21 - Step 6: Final answer
x = 181,429.73
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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.