Finding the Fourth Proportional to 400,622.80, 600,976.32 and 163,927.84
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Solution
The fourth proportional to 400,622.80, 600,976.32 and 163,927.84 is: 245,908.99
Step by Step Solution
- Step 1: Write the proportion equation
400,622.80 : 600,976.32 = 163,927.84 : x - Step 2: Convert to fraction form
400,622.80/600,976.32 = 163,927.84/x - Step 3: Cross multiply
400,622.80x = 600,976.32 × 163,927.84 - Step 4: Simplify right side
400,622.80x = 98,516,750,028.75 - Step 5: Solve for x
x = 98,516,750,028.75/400,622.80 - Step 6: Final answer
x = 245,908.99
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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.