Finding the Fourth Proportional to 734,742.10, 1,102,048.35 and 202,215.70
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Solution
The fourth proportional to 734,742.10, 1,102,048.35 and 202,215.70 is: 303,305.72
Step by Step Solution
- Step 1: Write the proportion equation
734,742.10 : 1,102,048.35 = 202,215.70 : x - Step 2: Convert to fraction form
734,742.10/1,102,048.35 = 202,215.70/x - Step 3: Cross multiply
734,742.10x = 1,102,048.35 × 202,215.70 - Step 4: Simplify right side
734,742.10x = 222,851,478,529.10 - Step 5: Solve for x
x = 222,851,478,529.10/734,742.10 - Step 6: Final answer
x = 303,305.72
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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.