Finding the Fourth Proportional to 122,852.71, 184,239.90 and 47,954.65
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Solution
The fourth proportional to 122,852.71, 184,239.90 and 47,954.65 is: 71,916.69
Step by Step Solution
- Step 1: Write the proportion equation
122,852.71 : 184,239.90 = 47,954.65 : x - Step 2: Convert to fraction form
122,852.71/184,239.90 = 47,954.65/x - Step 3: Cross multiply
122,852.71x = 184,239.90 × 47,954.65 - Step 4: Simplify right side
122,852.71x = 8,835,159,920.54 - Step 5: Solve for x
x = 8,835,159,920.54/122,852.71 - Step 6: Final answer
x = 71,916.69
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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.