Finding the Fourth Proportional to 331,654.08, 457,684.36 and 188,422.18
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Solution
The fourth proportional to 331,654.08, 457,684.36 and 188,422.18 is: 260,023.59
Step by Step Solution
- Step 1: Write the proportion equation
331,654.08 : 457,684.36 = 188,422.18 : x - Step 2: Convert to fraction form
331,654.08/457,684.36 = 188,422.18/x - Step 3: Cross multiply
331,654.08x = 457,684.36 × 188,422.18 - Step 4: Simplify right side
331,654.08x = 86,237,884,863.10 - Step 5: Solve for x
x = 86,237,884,863.10/331,654.08 - Step 6: Final answer
x = 260,023.59
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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.