Finding the Fourth Proportional to 292,648.41, 438,633.77 and 134,545.05
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Solution
The fourth proportional to 292,648.41, 438,633.77 and 134,545.05 is: 201,661.79
Step by Step Solution
- Step 1: Write the proportion equation
292,648.41 : 438,633.77 = 134,545.05 : x - Step 2: Convert to fraction form
292,648.41/438,633.77 = 134,545.05/x - Step 3: Cross multiply
292,648.41x = 438,633.77 × 134,545.05 - Step 4: Simplify right side
292,648.41x = 59,016,001,843.61 - Step 5: Solve for x
x = 59,016,001,843.61/292,648.41 - Step 6: Final answer
x = 201,661.79
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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.