Finding the Fourth Proportional to 122,511.94, 183,767.84 and 38,279.36
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Solution
The fourth proportional to 122,511.94, 183,767.84 and 38,279.36 is: 57,419.02
Step by Step Solution
- Step 1: Write the proportion equation
122,511.94 : 183,767.84 = 38,279.36 : x - Step 2: Convert to fraction form
122,511.94/183,767.84 = 38,279.36/x - Step 3: Cross multiply
122,511.94x = 183,767.84 × 38,279.36 - Step 4: Simplify right side
122,511.94x = 7,034,515,303.78 - Step 5: Solve for x
x = 7,034,515,303.78/122,511.94 - Step 6: Final answer
x = 57,419.02
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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.