Finding the Fourth Proportional to 212,946.24, 293,865.25 and 122,308.08
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Solution
The fourth proportional to 212,946.24, 293,865.25 and 122,308.08 is: 168,784.83
Step by Step Solution
- Step 1: Write the proportion equation
212,946.24 : 293,865.25 = 122,308.08 : x - Step 2: Convert to fraction form
212,946.24/293,865.25 = 122,308.08/x - Step 3: Cross multiply
212,946.24x = 293,865.25 × 122,308.08 - Step 4: Simplify right side
212,946.24x = 35,942,094,506.22 - Step 5: Solve for x
x = 35,942,094,506.22/212,946.24 - Step 6: Final answer
x = 168,784.83
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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.