Finding the Fourth Proportional to 156,619.24, 216,238.62 and 92,977.48
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Solution
The fourth proportional to 156,619.24, 216,238.62 and 92,977.48 is: 128,370.70
Step by Step Solution
- Step 1: Write the proportion equation
156,619.24 : 216,238.62 = 92,977.48 : x - Step 2: Convert to fraction form
156,619.24/216,238.62 = 92,977.48/x - Step 3: Cross multiply
156,619.24x = 216,238.62 × 92,977.48 - Step 4: Simplify right side
156,619.24x = 20,105,321,966.28 - Step 5: Solve for x
x = 20,105,321,966.28/156,619.24 - Step 6: Final answer
x = 128,370.70
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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.