Finding the Fourth Proportional to 286,354.24, 395,593.28 and 188,468.31
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Solution
The fourth proportional to 286,354.24, 395,593.28 and 188,468.31 is: 260,365.61
Step by Step Solution
- Step 1: Write the proportion equation
286,354.24 : 395,593.28 = 188,468.31 : x - Step 2: Convert to fraction form
286,354.24/395,593.28 = 188,468.31/x - Step 3: Cross multiply
286,354.24x = 395,593.28 × 188,468.31 - Step 4: Simplify right side
286,354.24x = 74,556,796,928.96 - Step 5: Solve for x
x = 74,556,796,928.96/286,354.24 - Step 6: Final answer
x = 260,365.61
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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.