Finding the Fourth Proportional to 113,288.99, 156,340.60 and 62,303.94
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Solution
The fourth proportional to 113,288.99, 156,340.60 and 62,303.94 is: 85,980.43
Step by Step Solution
- Step 1: Write the proportion equation
113,288.99 : 156,340.60 = 62,303.94 : x - Step 2: Convert to fraction form
113,288.99/156,340.60 = 62,303.94/x - Step 3: Cross multiply
113,288.99x = 156,340.60 × 62,303.94 - Step 4: Simplify right side
113,288.99x = 9,740,635,206.20 - Step 5: Solve for x
x = 9,740,635,206.20/113,288.99 - Step 6: Final answer
x = 85,980.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.