Finding the Fourth Proportional to 178,852.34, 246,816.12 and 98,285.06
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Solution
The fourth proportional to 178,852.34, 246,816.12 and 98,285.06 is: 135,633.32
Step by Step Solution
- Step 1: Write the proportion equation
178,852.34 : 246,816.12 = 98,285.06 : x - Step 2: Convert to fraction form
178,852.34/246,816.12 = 98,285.06/x - Step 3: Cross multiply
178,852.34x = 246,816.12 × 98,285.06 - Step 4: Simplify right side
178,852.34x = 24,258,337,163.17 - Step 5: Solve for x
x = 24,258,337,163.17/178,852.34 - Step 6: Final answer
x = 135,633.32
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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.