Finding the Fourth Proportional to 536,163.20, 804,187.20 and 142,179.20
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Solution
The fourth proportional to 536,163.20, 804,187.20 and 142,179.20 is: 213,253.53
Step by Step Solution
- Step 1: Write the proportion equation
536,163.20 : 804,187.20 = 142,179.20 : x - Step 2: Convert to fraction form
536,163.20/804,187.20 = 142,179.20/x - Step 3: Cross multiply
536,163.20x = 804,187.20 × 142,179.20 - Step 4: Simplify right side
536,163.20x = 114,338,692,746.24 - Step 5: Solve for x
x = 114,338,692,746.24/536,163.20 - Step 6: Final answer
x = 213,253.53
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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.