Finding the Fourth Proportional to 322,328.05, 483,325.97 and 144,682.80
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Solution
The fourth proportional to 322,328.05, 483,325.97 and 144,682.80 is: 216,949.64
Step by Step Solution
- Step 1: Write the proportion equation
322,328.05 : 483,325.97 = 144,682.80 : x - Step 2: Convert to fraction form
322,328.05/483,325.97 = 144,682.80/x - Step 3: Cross multiply
322,328.05x = 483,325.97 × 144,682.80 - Step 4: Simplify right side
322,328.05x = 69,928,954,652.32 - Step 5: Solve for x
x = 69,928,954,652.32/322,328.05 - Step 6: Final answer
x = 216,949.64
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.