Finding the Fourth Proportional to 202,291.20, 282,682.80 and 202,291.20
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Solution
The fourth proportional to 202,291.20, 282,682.80 and 202,291.20 is: 282,682.80
Step by Step Solution
- Step 1: Write the proportion equation
202,291.20 : 282,682.80 = 202,291.20 : x - Step 2: Convert to fraction form
202,291.20/282,682.80 = 202,291.20/x - Step 3: Cross multiply
202,291.20x = 282,682.80 × 202,291.20 - Step 4: Simplify right side
202,291.20x = 57,184,242,831.36 - Step 5: Solve for x
x = 57,184,242,831.36/202,291.20 - Step 6: Final answer
x = 282,682.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.