Finding the Fourth Proportional to 385,278.53, 531,622.24 and 241,937.08
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Solution
The fourth proportional to 385,278.53, 531,622.24 and 241,937.08 is: 333,834.15
Step by Step Solution
- Step 1: Write the proportion equation
385,278.53 : 531,622.24 = 241,937.08 : x - Step 2: Convert to fraction form
385,278.53/531,622.24 = 241,937.08/x - Step 3: Cross multiply
385,278.53x = 531,622.24 × 241,937.08 - Step 4: Simplify right side
385,278.53x = 128,619,130,474.76 - Step 5: Solve for x
x = 128,619,130,474.76/385,278.53 - Step 6: Final answer
x = 333,834.15
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.