Finding the Fourth Proportional to 159,404.18, 239,161.63 and 70,719.96
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Solution
The fourth proportional to 159,404.18, 239,161.63 and 70,719.96 is: 106,104.50
Step by Step Solution
- Step 1: Write the proportion equation
159,404.18 : 239,161.63 = 70,719.96 : x - Step 2: Convert to fraction form
159,404.18/239,161.63 = 70,719.96/x - Step 3: Cross multiply
159,404.18x = 239,161.63 × 70,719.96 - Step 4: Simplify right side
159,404.18x = 16,913,500,730.33 - Step 5: Solve for x
x = 16,913,500,730.33/159,404.18 - Step 6: Final answer
x = 106,104.50
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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.