Finding the Fourth Proportional to 330,739.18, 496,106.92 and 120,377.12
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Solution
The fourth proportional to 330,739.18, 496,106.92 and 120,377.12 is: 180,565.00
Step by Step Solution
- Step 1: Write the proportion equation
330,739.18 : 496,106.92 = 120,377.12 : x - Step 2: Convert to fraction form
330,739.18/496,106.92 = 120,377.12/x - Step 3: Cross multiply
330,739.18x = 496,106.92 × 120,377.12 - Step 4: Simplify right side
330,739.18x = 59,719,919,159.25 - Step 5: Solve for x
x = 59,719,919,159.25/330,739.18 - Step 6: Final answer
x = 180,565.00
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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.