Finding the Fourth Proportional to 320,058.08, 480,158.60 and 120,380.18
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Solution
The fourth proportional to 320,058.08, 480,158.60 and 120,380.18 is: 180,597.15
Step by Step Solution
- Step 1: Write the proportion equation
320,058.08 : 480,158.60 = 120,380.18 : x - Step 2: Convert to fraction form
320,058.08/480,158.60 = 120,380.18/x - Step 3: Cross multiply
320,058.08x = 480,158.60 × 120,380.18 - Step 4: Simplify right side
320,058.08x = 57,801,576,596.71 - Step 5: Solve for x
x = 57,801,576,596.71/320,058.08 - Step 6: Final answer
x = 180,597.15
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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.