Finding the Fourth Proportional to 149,588.22, 206,507.93 and 115,520.23
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Solution
The fourth proportional to 149,588.22, 206,507.93 and 115,520.23 is: 159,476.75
Step by Step Solution
- Step 1: Write the proportion equation
149,588.22 : 206,507.93 = 115,520.23 : x - Step 2: Convert to fraction form
149,588.22/206,507.93 = 115,520.23/x - Step 3: Cross multiply
149,588.22x = 206,507.93 × 115,520.23 - Step 4: Simplify right side
149,588.22x = 23,855,842,739.15 - Step 5: Solve for x
x = 23,855,842,739.15/149,588.22 - Step 6: Final answer
x = 159,476.75
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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.