Finding the Fourth Proportional to 355,964.26, 534,156.84 and 131,483.28
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Solution
The fourth proportional to 355,964.26, 534,156.84 and 131,483.28 is: 197,302.65
Step by Step Solution
- Step 1: Write the proportion equation
355,964.26 : 534,156.84 = 131,483.28 : x - Step 2: Convert to fraction form
355,964.26/534,156.84 = 131,483.28/x - Step 3: Cross multiply
355,964.26x = 534,156.84 × 131,483.28 - Step 4: Simplify right side
355,964.26x = 70,232,693,357.64 - Step 5: Solve for x
x = 70,232,693,357.64/355,964.26 - Step 6: Final answer
x = 197,302.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.