Finding the Fourth Proportional to 282,071.04, 423,107.58 and 71,708.99
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Solution
The fourth proportional to 282,071.04, 423,107.58 and 71,708.99 is: 107,563.74
Step by Step Solution
- Step 1: Write the proportion equation
282,071.04 : 423,107.58 = 71,708.99 : x - Step 2: Convert to fraction form
282,071.04/423,107.58 = 71,708.99/x - Step 3: Cross multiply
282,071.04x = 423,107.58 × 71,708.99 - Step 4: Simplify right side
282,071.04x = 30,340,615,107.61 - Step 5: Solve for x
x = 30,340,615,107.61/282,071.04 - Step 6: Final answer
x = 107,563.74
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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.