Finding the Fourth Proportional to 182,937.69, 252,374.94 and 129,268.71
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Solution
The fourth proportional to 182,937.69, 252,374.94 and 129,268.71 is: 178,334.95
Step by Step Solution
- Step 1: Write the proportion equation
182,937.69 : 252,374.94 = 129,268.71 : x - Step 2: Convert to fraction form
182,937.69/252,374.94 = 129,268.71/x - Step 3: Cross multiply
182,937.69x = 252,374.94 × 129,268.71 - Step 4: Simplify right side
182,937.69x = 32,624,182,930.13 - Step 5: Solve for x
x = 32,624,182,930.13/182,937.69 - Step 6: Final answer
x = 178,334.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.