Finding the Fourth Proportional to 239,659.08, 359,488.74 and 81,889.08
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Solution
The fourth proportional to 239,659.08, 359,488.74 and 81,889.08 is: 122,833.66
Step by Step Solution
- Step 1: Write the proportion equation
239,659.08 : 359,488.74 = 81,889.08 : x - Step 2: Convert to fraction form
239,659.08/359,488.74 = 81,889.08/x - Step 3: Cross multiply
239,659.08x = 359,488.74 × 81,889.08 - Step 4: Simplify right side
239,659.08x = 29,438,202,188.96 - Step 5: Solve for x
x = 29,438,202,188.96/239,659.08 - Step 6: Final answer
x = 122,833.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.