Finding the Fourth Proportional to 352,964.24, 486,613.68 and 239,590.16
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Solution
The fourth proportional to 352,964.24, 486,613.68 and 239,590.16 is: 330,310.66
Step by Step Solution
- Step 1: Write the proportion equation
352,964.24 : 486,613.68 = 239,590.16 : x - Step 2: Convert to fraction form
352,964.24/486,613.68 = 239,590.16/x - Step 3: Cross multiply
352,964.24x = 486,613.68 × 239,590.16 - Step 4: Simplify right side
352,964.24x = 116,587,849,449.39 - Step 5: Solve for x
x = 116,587,849,449.39/352,964.24 - Step 6: Final answer
x = 330,310.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.