Finding the Fourth Proportional to 449,201.80, 673,802.70 and 133,617.70
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Solution
The fourth proportional to 449,201.80, 673,802.70 and 133,617.70 is: 200,426.55
Step by Step Solution
- Step 1: Write the proportion equation
449,201.80 : 673,802.70 = 133,617.70 : x - Step 2: Convert to fraction form
449,201.80/673,802.70 = 133,617.70/x - Step 3: Cross multiply
449,201.80x = 673,802.70 × 133,617.70 - Step 4: Simplify right side
449,201.80x = 90,031,967,027.79 - Step 5: Solve for x
x = 90,031,967,027.79/449,201.80 - Step 6: Final answer
x = 200,426.55
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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.