Finding the Fourth Proportional to 607,905.45, 911,858.90 and 158,625.99
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Solution
The fourth proportional to 607,905.45, 911,858.90 and 158,625.99 is: 237,939.17
Step by Step Solution
- Step 1: Write the proportion equation
607,905.45 : 911,858.90 = 158,625.99 : x - Step 2: Convert to fraction form
607,905.45/911,858.90 = 158,625.99/x - Step 3: Cross multiply
607,905.45x = 911,858.90 × 158,625.99 - Step 4: Simplify right side
607,905.45x = 144,644,519,959.68 - Step 5: Solve for x
x = 144,644,519,959.68/607,905.45 - Step 6: Final answer
x = 237,939.17
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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.