Finding the Fourth Proportional to 264,510.05, 396,780.08 and 84,611.28
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Solution
The fourth proportional to 264,510.05, 396,780.08 and 84,611.28 is: 126,921.72
Step by Step Solution
- Step 1: Write the proportion equation
264,510.05 : 396,780.08 = 84,611.28 : x - Step 2: Convert to fraction form
264,510.05/396,780.08 = 84,611.28/x - Step 3: Cross multiply
264,510.05x = 396,780.08 × 84,611.28 - Step 4: Simplify right side
264,510.05x = 33,572,070,024.25 - Step 5: Solve for x
x = 33,572,070,024.25/264,510.05 - Step 6: Final answer
x = 126,921.72
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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.