Finding the Fourth Proportional to 113,420.30, 170,235.52 and 57,299.94
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Solution
The fourth proportional to 113,420.30, 170,235.52 and 57,299.94 is: 86,002.99
Step by Step Solution
- Step 1: Write the proportion equation
113,420.30 : 170,235.52 = 57,299.94 : x - Step 2: Convert to fraction form
113,420.30/170,235.52 = 57,299.94/x - Step 3: Cross multiply
113,420.30x = 170,235.52 × 57,299.94 - Step 4: Simplify right side
113,420.30x = 9,754,484,938.62 - Step 5: Solve for x
x = 9,754,484,938.62/113,420.30 - Step 6: Final answer
x = 86,002.99
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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.