Finding the Fourth Proportional to 288,287.99, 432,443.36 and 108,355.26
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Solution
The fourth proportional to 288,287.99, 432,443.36 and 108,355.26 is: 162,537.17
Step by Step Solution
- Step 1: Write the proportion equation
288,287.99 : 432,443.36 = 108,355.26 : x - Step 2: Convert to fraction form
288,287.99/432,443.36 = 108,355.26/x - Step 3: Cross multiply
288,287.99x = 432,443.36 × 108,355.26 - Step 4: Simplify right side
288,287.99x = 46,857,512,708.07 - Step 5: Solve for x
x = 46,857,512,708.07/288,287.99 - Step 6: Final answer
x = 162,537.17
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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.