Finding the Fourth Proportional to 364,851.03, 547,305.74 and 128,246.79
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Solution
The fourth proportional to 364,851.03, 547,305.74 and 128,246.79 is: 192,380.45
Step by Step Solution
- Step 1: Write the proportion equation
364,851.03 : 547,305.74 = 128,246.79 : x - Step 2: Convert to fraction form
364,851.03/547,305.74 = 128,246.79/x - Step 3: Cross multiply
364,851.03x = 547,305.74 × 128,246.79 - Step 4: Simplify right side
364,851.03x = 70,190,203,662.34 - Step 5: Solve for x
x = 70,190,203,662.34/364,851.03 - Step 6: Final answer
x = 192,380.45
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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.