Finding the Fourth Proportional to 178,807.79, 246,756.42 and 98,236.98
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Solution
The fourth proportional to 178,807.79, 246,756.42 and 98,236.98 is: 135,567.95
Step by Step Solution
- Step 1: Write the proportion equation
178,807.79 : 246,756.42 = 98,236.98 : x - Step 2: Convert to fraction form
178,807.79/246,756.42 = 98,236.98/x - Step 3: Cross multiply
178,807.79x = 246,756.42 × 98,236.98 - Step 4: Simplify right side
178,807.79x = 24,240,605,496.41 - Step 5: Solve for x
x = 24,240,605,496.41/178,807.79 - Step 6: Final answer
x = 135,567.95
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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.