Finding the Fourth Proportional to 157,117.67, 235,676.99 and 38,789.02
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Solution
The fourth proportional to 157,117.67, 235,676.99 and 38,789.02 is: 58,183.65
Step by Step Solution
- Step 1: Write the proportion equation
157,117.67 : 235,676.99 = 38,789.02 : x - Step 2: Convert to fraction form
157,117.67/235,676.99 = 38,789.02/x - Step 3: Cross multiply
157,117.67x = 235,676.99 × 38,789.02 - Step 4: Simplify right side
157,117.67x = 9,141,679,478.65 - Step 5: Solve for x
x = 9,141,679,478.65/157,117.67 - Step 6: Final answer
x = 58,183.65
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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.