Finding the Fourth Proportional to 830,840.63, 1,246,260.95 and 199,754.44
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Solution
The fourth proportional to 830,840.63, 1,246,260.95 and 199,754.44 is: 299,631.66
Step by Step Solution
- Step 1: Write the proportion equation
830,840.63 : 1,246,260.95 = 199,754.44 : x - Step 2: Convert to fraction form
830,840.63/1,246,260.95 = 199,754.44/x - Step 3: Cross multiply
830,840.63x = 1,246,260.95 × 199,754.44 - Step 4: Simplify right side
830,840.63x = 248,946,158,161.12 - Step 5: Solve for x
x = 248,946,158,161.12/830,840.63 - Step 6: Final answer
x = 299,631.66
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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.