Finding the Fourth Proportional to 178,964.22, 246,970.79 and 98,393.12
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Solution
The fourth proportional to 178,964.22, 246,970.79 and 98,393.12 is: 135,782.60
Step by Step Solution
- Step 1: Write the proportion equation
178,964.22 : 246,970.79 = 98,393.12 : x - Step 2: Convert to fraction form
178,964.22/246,970.79 = 98,393.12/x - Step 3: Cross multiply
178,964.22x = 246,970.79 × 98,393.12 - Step 4: Simplify right side
178,964.22x = 24,300,226,576.96 - Step 5: Solve for x
x = 24,300,226,576.96/178,964.22 - Step 6: Final answer
x = 135,782.60
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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.