Finding the Fourth Proportional to 352,964.74, 486,614.37 and 239,590.66
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Solution
The fourth proportional to 352,964.74, 486,614.37 and 239,590.66 is: 330,311.35
Step by Step Solution
- Step 1: Write the proportion equation
352,964.74 : 486,614.37 = 239,590.66 : x - Step 2: Convert to fraction form
352,964.74/486,614.37 = 239,590.66/x - Step 3: Cross multiply
352,964.74x = 486,614.37 × 239,590.66 - Step 4: Simplify right side
352,964.74x = 116,588,258,073.78 - Step 5: Solve for x
x = 116,588,258,073.78/352,964.74 - Step 6: Final answer
x = 330,311.35
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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.