Finding the Fourth Proportional to 178,813.86, 246,764.79 and 98,243.05
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Solution
The fourth proportional to 178,813.86, 246,764.79 and 98,243.05 is: 135,576.32
Step by Step Solution
- Step 1: Write the proportion equation
178,813.86 : 246,764.79 = 98,243.05 : x - Step 2: Convert to fraction form
178,813.86/246,764.79 = 98,243.05/x - Step 3: Cross multiply
178,813.86x = 246,764.79 × 98,243.05 - Step 4: Simplify right side
178,813.86x = 24,242,925,602.21 - Step 5: Solve for x
x = 24,242,925,602.21/178,813.86 - Step 6: Final answer
x = 135,576.32
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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.