Finding the Fourth Proportional to 152,276.31, 228,461.16 and 68,107.26
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Solution
The fourth proportional to 152,276.31, 228,461.16 and 68,107.26 is: 102,181.77
Step by Step Solution
- Step 1: Write the proportion equation
152,276.31 : 228,461.16 = 68,107.26 : x - Step 2: Convert to fraction form
152,276.31/228,461.16 = 68,107.26/x - Step 3: Cross multiply
152,276.31x = 228,461.16 × 68,107.26 - Step 4: Simplify right side
152,276.31x = 15,559,863,624.02 - Step 5: Solve for x
x = 15,559,863,624.02/152,276.31 - Step 6: Final answer
x = 102,181.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.