Finding the Fourth Proportional to 122,477.46, 183,787.08 and 51,393.75
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Solution
The fourth proportional to 122,477.46, 183,787.08 and 51,393.75 is: 77,120.37
Step by Step Solution
- Step 1: Write the proportion equation
122,477.46 : 183,787.08 = 51,393.75 : x - Step 2: Convert to fraction form
122,477.46/183,787.08 = 51,393.75/x - Step 3: Cross multiply
122,477.46x = 183,787.08 × 51,393.75 - Step 4: Simplify right side
122,477.46x = 9,445,507,242.75 - Step 5: Solve for x
x = 9,445,507,242.75/122,477.46 - Step 6: Final answer
x = 77,120.37
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1.5x scale
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.