Finding the Fourth Proportional to 282,128.36, 423,257.04 and 122,230.88
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Solution
The fourth proportional to 282,128.36, 423,257.04 and 122,230.88 is: 183,374.26
Step by Step Solution
- Step 1: Write the proportion equation
282,128.36 : 423,257.04 = 122,230.88 : x - Step 2: Convert to fraction form
282,128.36/423,257.04 = 122,230.88/x - Step 3: Cross multiply
282,128.36x = 423,257.04 × 122,230.88 - Step 4: Simplify right side
282,128.36x = 51,735,080,465.40 - Step 5: Solve for x
x = 51,735,080,465.40/282,128.36 - Step 6: Final answer
x = 183,374.26
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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.