Finding the Fourth Proportional to 239,380.06, 330,342.84 and 131,950.18
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Solution
The fourth proportional to 239,380.06, 330,342.84 and 131,950.18 is: 182,090.34
Step by Step Solution
- Step 1: Write the proportion equation
239,380.06 : 330,342.84 = 131,950.18 : x - Step 2: Convert to fraction form
239,380.06/330,342.84 = 131,950.18/x - Step 3: Cross multiply
239,380.06x = 330,342.84 × 131,950.18 - Step 4: Simplify right side
239,380.06x = 43,588,797,199.71 - Step 5: Solve for x
x = 43,588,797,199.71/239,380.06 - Step 6: Final answer
x = 182,090.34
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1.5x scale
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.