Finding the Fourth Proportional to 134,877.65, 202,345.11 and 40,108.05
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Solution
The fourth proportional to 134,877.65, 202,345.11 and 40,108.05 is: 60,170.59
Step by Step Solution
- Step 1: Write the proportion equation
134,877.65 : 202,345.11 = 40,108.05 : x - Step 2: Convert to fraction form
134,877.65/202,345.11 = 40,108.05/x - Step 3: Cross multiply
134,877.65x = 202,345.11 × 40,108.05 - Step 4: Simplify right side
134,877.65x = 8,115,667,789.14 - Step 5: Solve for x
x = 8,115,667,789.14/134,877.65 - Step 6: Final answer
x = 60,170.59
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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.