Finding the Fourth Proportional to 228,838.05, 342,797.40 and 128,848.41
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Solution
The fourth proportional to 228,838.05, 342,797.40 and 128,848.41 is: 193,013.79
Step by Step Solution
- Step 1: Write the proportion equation
228,838.05 : 342,797.40 = 128,848.41 : x - Step 2: Convert to fraction form
228,838.05/342,797.40 = 128,848.41/x - Step 3: Cross multiply
228,838.05x = 342,797.40 × 128,848.41 - Step 4: Simplify right side
228,838.05x = 44,168,899,942.13 - Step 5: Solve for x
x = 44,168,899,942.13/228,838.05 - Step 6: Final answer
x = 193,013.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.