Finding the Fourth Proportional to 162,162.11, 243,266.42 and 49,851.75
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Solution
The fourth proportional to 162,162.11, 243,266.42 and 49,851.75 is: 74,784.77
Step by Step Solution
- Step 1: Write the proportion equation
162,162.11 : 243,266.42 = 49,851.75 : x - Step 2: Convert to fraction form
162,162.11/243,266.42 = 49,851.75/x - Step 3: Cross multiply
162,162.11x = 243,266.42 × 49,851.75 - Step 4: Simplify right side
162,162.11x = 12,127,256,503.98 - Step 5: Solve for x
x = 12,127,256,503.98/162,162.11 - Step 6: Final answer
x = 74,784.77
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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.