Finding the Fourth Proportional to 122,365.52, 183,252.90 and 69,615.08
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Solution
The fourth proportional to 122,365.52, 183,252.90 and 69,615.08 is: 104,254.58
Step by Step Solution
- Step 1: Write the proportion equation
122,365.52 : 183,252.90 = 69,615.08 : x - Step 2: Convert to fraction form
122,365.52/183,252.90 = 69,615.08/x - Step 3: Cross multiply
122,365.52x = 183,252.90 × 69,615.08 - Step 4: Simplify right side
122,365.52x = 12,757,165,293.73 - Step 5: Solve for x
x = 12,757,165,293.73/122,365.52 - Step 6: Final answer
x = 104,254.58
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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.