Finding the Fourth Proportional to 239,299.23, 330,235.16 and 131,873.12
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Solution
The fourth proportional to 239,299.23, 330,235.16 and 131,873.12 is: 181,986.12
Step by Step Solution
- Step 1: Write the proportion equation
239,299.23 : 330,235.16 = 131,873.12 : x - Step 2: Convert to fraction form
239,299.23/330,235.16 = 131,873.12/x - Step 3: Cross multiply
239,299.23x = 330,235.16 × 131,873.12 - Step 4: Simplify right side
239,299.23x = 43,549,138,572.36 - Step 5: Solve for x
x = 43,549,138,572.36/239,299.23 - Step 6: Final answer
x = 181,986.12
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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.