Finding the Fourth Proportional to 645,902.24, 968,858.22 and 246,435.62
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Solution
The fourth proportional to 645,902.24, 968,858.22 and 246,435.62 is: 369,655.28
Step by Step Solution
- Step 1: Write the proportion equation
645,902.24 : 968,858.22 = 246,435.62 : x - Step 2: Convert to fraction form
645,902.24/968,858.22 = 246,435.62/x - Step 3: Cross multiply
645,902.24x = 968,858.22 × 246,435.62 - Step 4: Simplify right side
645,902.24x = 238,761,176,137.80 - Step 5: Solve for x
x = 238,761,176,137.80/645,902.24 - Step 6: Final answer
x = 369,655.28
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1.5x scale
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.