Finding the Fourth Proportional to 270,582.14, 405,894.36 and 90,668.18
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Solution
The fourth proportional to 270,582.14, 405,894.36 and 90,668.18 is: 136,009.35
Step by Step Solution
- Step 1: Write the proportion equation
270,582.14 : 405,894.36 = 90,668.18 : x - Step 2: Convert to fraction form
270,582.14/405,894.36 = 90,668.18/x - Step 3: Cross multiply
270,582.14x = 405,894.36 × 90,668.18 - Step 4: Simplify right side
270,582.14x = 36,801,700,863.99 - Step 5: Solve for x
x = 36,801,700,863.99/270,582.14 - Step 6: Final answer
x = 136,009.35
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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.