Finding the Fourth Proportional to 520,201.97, 780,302.96 and 146,224.97
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Solution
The fourth proportional to 520,201.97, 780,302.96 and 146,224.97 is: 219,337.45
Step by Step Solution
- Step 1: Write the proportion equation
520,201.97 : 780,302.96 = 146,224.97 : x - Step 2: Convert to fraction form
520,201.97/780,302.96 = 146,224.97/x - Step 3: Cross multiply
520,201.97x = 780,302.96 × 146,224.97 - Step 4: Simplify right side
520,201.97x = 114,099,775,758.75 - Step 5: Solve for x
x = 114,099,775,758.75/520,201.97 - Step 6: Final answer
x = 219,337.45
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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.