Finding the Fourth Proportional to 156,546.47, 216,034.19 and 88,562.09
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Solution
The fourth proportional to 156,546.47, 216,034.19 and 88,562.09 is: 122,215.72
Step by Step Solution
- Step 1: Write the proportion equation
156,546.47 : 216,034.19 = 88,562.09 : x - Step 2: Convert to fraction form
156,546.47/216,034.19 = 88,562.09/x - Step 3: Cross multiply
156,546.47x = 216,034.19 × 88,562.09 - Step 4: Simplify right side
156,546.47x = 19,132,439,807.24 - Step 5: Solve for x
x = 19,132,439,807.24/156,546.47 - Step 6: Final answer
x = 122,215.72
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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.