Finding the Fourth Proportional to 122,352.76, 183,374.40 and 69,791.84
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Solution
The fourth proportional to 122,352.76, 183,374.40 and 69,791.84 is: 104,599.49
Step by Step Solution
- Step 1: Write the proportion equation
122,352.76 : 183,374.40 = 69,791.84 : x - Step 2: Convert to fraction form
122,352.76/183,374.40 = 69,791.84/x - Step 3: Cross multiply
122,352.76x = 183,374.40 × 69,791.84 - Step 4: Simplify right side
122,352.76x = 12,798,036,784.90 - Step 5: Solve for x
x = 12,798,036,784.90/122,352.76 - Step 6: Final answer
x = 104,599.49
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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.