Finding the Fourth Proportional to 551,884.16, 761,467.11 and 322,311.12
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Solution
The fourth proportional to 551,884.16, 761,467.11 and 322,311.12 is: 444,711.66
Step by Step Solution
- Step 1: Write the proportion equation
551,884.16 : 761,467.11 = 322,311.12 : x - Step 2: Convert to fraction form
551,884.16/761,467.11 = 322,311.12/x - Step 3: Cross multiply
551,884.16x = 761,467.11 × 322,311.12 - Step 4: Simplify right side
551,884.16x = 245,429,317,067.26 - Step 5: Solve for x
x = 245,429,317,067.26/551,884.16 - Step 6: Final answer
x = 444,711.66
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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.