Finding the Fourth Proportional to 178,880.16, 246,853.80 and 102,398.84
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Solution
The fourth proportional to 178,880.16, 246,853.80 and 102,398.84 is: 141,309.92
Step by Step Solution
- Step 1: Write the proportion equation
178,880.16 : 246,853.80 = 102,398.84 : x - Step 2: Convert to fraction form
178,880.16/246,853.80 = 102,398.84/x - Step 3: Cross multiply
178,880.16x = 246,853.80 × 102,398.84 - Step 4: Simplify right side
178,880.16x = 25,277,541,535.32 - Step 5: Solve for x
x = 25,277,541,535.32/178,880.16 - Step 6: Final answer
x = 141,309.92
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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.