Finding the Fourth Proportional to 178,840.56, 246,718.80 and 110,839.44
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Solution
The fourth proportional to 178,840.56, 246,718.80 and 110,839.44 is: 152,908.12
Step by Step Solution
- Step 1: Write the proportion equation
178,840.56 : 246,718.80 = 110,839.44 : x - Step 2: Convert to fraction form
178,840.56/246,718.80 = 110,839.44/x - Step 3: Cross multiply
178,840.56x = 246,718.80 × 110,839.44 - Step 4: Simplify right side
178,840.56x = 27,346,173,629.47 - Step 5: Solve for x
x = 27,346,173,629.47/178,840.56 - Step 6: Final answer
x = 152,908.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.