Finding the Fourth Proportional to 156,598.92, 216,676.08 and 136,497.96
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Solution
The fourth proportional to 156,598.92, 216,676.08 and 136,497.96 is: 188,863.65
Step by Step Solution
- Step 1: Write the proportion equation
156,598.92 : 216,676.08 = 136,497.96 : x - Step 2: Convert to fraction form
156,598.92/216,676.08 = 136,497.96/x - Step 3: Cross multiply
156,598.92x = 216,676.08 × 136,497.96 - Step 4: Simplify right side
156,598.92x = 29,575,842,900.80 - Step 5: Solve for x
x = 29,575,842,900.80/156,598.92 - Step 6: Final answer
x = 188,863.65
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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.