Finding the Fourth Proportional to 319,303.91, 440,181.54 and 251,202.62
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Solution
The fourth proportional to 319,303.91, 440,181.54 and 251,202.62 is: 346,299.42
Step by Step Solution
- Step 1: Write the proportion equation
319,303.91 : 440,181.54 = 251,202.62 : x - Step 2: Convert to fraction form
319,303.91/440,181.54 = 251,202.62/x - Step 3: Cross multiply
319,303.91x = 440,181.54 × 251,202.62 - Step 4: Simplify right side
319,303.91x = 110,574,757,224.09 - Step 5: Solve for x
x = 110,574,757,224.09/319,303.91 - Step 6: Final answer
x = 346,299.42
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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.