Finding the Fourth Proportional to 156,857.92, 216,304.63 and 134,271.68
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Solution
The fourth proportional to 156,857.92, 216,304.63 and 134,271.68 is: 185,158.55
Step by Step Solution
- Step 1: Write the proportion equation
156,857.92 : 216,304.63 = 134,271.68 : x - Step 2: Convert to fraction form
156,857.92/216,304.63 = 134,271.68/x - Step 3: Cross multiply
156,857.92x = 216,304.63 × 134,271.68 - Step 4: Simplify right side
156,857.92x = 29,043,584,644.68 - Step 5: Solve for x
x = 29,043,584,644.68/156,857.92 - Step 6: Final answer
x = 185,158.55
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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.