Finding the Fourth Proportional to 355,396.61, 533,122.97 and 118,740.13
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Solution
The fourth proportional to 355,396.61, 533,122.97 and 118,740.13 is: 178,119.56
Step by Step Solution
- Step 1: Write the proportion equation
355,396.61 : 533,122.97 = 118,740.13 : x - Step 2: Convert to fraction form
355,396.61/533,122.97 = 118,740.13/x - Step 3: Cross multiply
355,396.61x = 533,122.97 × 118,740.13 - Step 4: Simplify right side
355,396.61x = 63,303,088,837.28 - Step 5: Solve for x
x = 63,303,088,837.28/355,396.61 - Step 6: Final answer
x = 178,119.56
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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.