Finding the Fourth Proportional to 122,510.21, 183,519.27 and 55,858.65
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Solution
The fourth proportional to 122,510.21, 183,519.27 and 55,858.65 is: 83,675.79
Step by Step Solution
- Step 1: Write the proportion equation
122,510.21 : 183,519.27 = 55,858.65 : x - Step 2: Convert to fraction form
122,510.21/183,519.27 = 55,858.65/x - Step 3: Cross multiply
122,510.21x = 183,519.27 × 55,858.65 - Step 4: Simplify right side
122,510.21x = 10,251,138,671.19 - Step 5: Solve for x
x = 10,251,138,671.19/122,510.21 - Step 6: Final answer
x = 83,675.79
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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.