Finding the Fourth Proportional to 122,207.01, 168,652.29 and 68,509.29
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Solution
The fourth proportional to 122,207.01, 168,652.29 and 68,509.29 is: 94,546.53
Step by Step Solution
- Step 1: Write the proportion equation
122,207.01 : 168,652.29 = 68,509.29 : x - Step 2: Convert to fraction form
122,207.01/168,652.29 = 68,509.29/x - Step 3: Cross multiply
122,207.01x = 168,652.29 × 68,509.29 - Step 4: Simplify right side
122,207.01x = 11,554,248,644.77 - Step 5: Solve for x
x = 11,554,248,644.77/122,207.01 - Step 6: Final answer
x = 94,546.53
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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.