Finding the Fourth Proportional to 113,270.18, 169,858.80 and 42,197.54
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Solution
The fourth proportional to 113,270.18, 169,858.80 and 42,197.54 is: 63,278.99
Step by Step Solution
- Step 1: Write the proportion equation
113,270.18 : 169,858.80 = 42,197.54 : x - Step 2: Convert to fraction form
113,270.18/169,858.80 = 42,197.54/x - Step 3: Cross multiply
113,270.18x = 169,858.80 × 42,197.54 - Step 4: Simplify right side
113,270.18x = 7,167,622,658.06 - Step 5: Solve for x
x = 7,167,622,658.06/113,270.18 - Step 6: Final answer
x = 63,278.99
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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.