Finding the Fourth Proportional to 178,960.21, 246,965.94 and 98,392.95
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Solution
The fourth proportional to 178,960.21, 246,965.94 and 98,392.95 is: 135,782.74
Step by Step Solution
- Step 1: Write the proportion equation
178,960.21 : 246,965.94 = 98,392.95 : x - Step 2: Convert to fraction form
178,960.21/246,965.94 = 98,392.95/x - Step 3: Cross multiply
178,960.21x = 246,965.94 × 98,392.95 - Step 4: Simplify right side
178,960.21x = 24,299,707,386.12 - Step 5: Solve for x
x = 24,299,707,386.12/178,960.21 - Step 6: Final answer
x = 135,782.74
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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.