Finding the Fourth Proportional to 342,226.36, 512,911.86 and 164,685.70
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Solution
The fourth proportional to 342,226.36, 512,911.86 and 164,685.70 is: 246,822.74
Step by Step Solution
- Step 1: Write the proportion equation
342,226.36 : 512,911.86 = 164,685.70 : x - Step 2: Convert to fraction form
342,226.36/512,911.86 = 164,685.70/x - Step 3: Cross multiply
342,226.36x = 512,911.86 × 164,685.70 - Step 4: Simplify right side
342,226.36x = 84,469,248,702.40 - Step 5: Solve for x
x = 84,469,248,702.40/342,226.36 - Step 6: Final answer
x = 246,822.74
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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.