Finding the Fourth Proportional to 137,325.08, 205,745.36 and 120,267.76
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Solution
The fourth proportional to 137,325.08, 205,745.36 and 120,267.76 is: 180,189.47
Step by Step Solution
- Step 1: Write the proportion equation
137,325.08 : 205,745.36 = 120,267.76 : x - Step 2: Convert to fraction form
137,325.08/205,745.36 = 120,267.76/x - Step 3: Cross multiply
137,325.08x = 205,745.36 × 120,267.76 - Step 4: Simplify right side
137,325.08x = 24,744,533,577.59 - Step 5: Solve for x
x = 24,744,533,577.59/137,325.08 - Step 6: Final answer
x = 180,189.47
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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.