Finding the Fourth Proportional to 156,717.28, 235,026.06 and 51,511.96
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Solution
The fourth proportional to 156,717.28, 235,026.06 and 51,511.96 is: 77,251.55
Step by Step Solution
- Step 1: Write the proportion equation
156,717.28 : 235,026.06 = 51,511.96 : x - Step 2: Convert to fraction form
156,717.28/235,026.06 = 51,511.96/x - Step 3: Cross multiply
156,717.28x = 235,026.06 × 51,511.96 - Step 4: Simplify right side
156,717.28x = 12,106,653,001.68 - Step 5: Solve for x
x = 12,106,653,001.68/156,717.28 - Step 6: Final answer
x = 77,251.55
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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.