Finding the Fourth Proportional to 137,885.09, 207,002.64 and 117,239.81
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Solution
The fourth proportional to 137,885.09, 207,002.64 and 117,239.81 is: 176,008.52
Step by Step Solution
- Step 1: Write the proportion equation
137,885.09 : 207,002.64 = 117,239.81 : x - Step 2: Convert to fraction form
137,885.09/207,002.64 = 117,239.81/x - Step 3: Cross multiply
137,885.09x = 207,002.64 × 117,239.81 - Step 4: Simplify right side
137,885.09x = 24,268,950,183.10 - Step 5: Solve for x
x = 24,268,950,183.10/137,885.09 - Step 6: Final answer
x = 176,008.52
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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.