Finding the Fourth Proportional to 119,124.24, 178,686.75 and 40,239.12
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Solution
The fourth proportional to 119,124.24, 178,686.75 and 40,239.12 is: 60,358.81
Step by Step Solution
- Step 1: Write the proportion equation
119,124.24 : 178,686.75 = 40,239.12 : x - Step 2: Convert to fraction form
119,124.24/178,686.75 = 40,239.12/x - Step 3: Cross multiply
119,124.24x = 178,686.75 × 40,239.12 - Step 4: Simplify right side
119,124.24x = 7,190,197,575.66 - Step 5: Solve for x
x = 7,190,197,575.66/119,124.24 - Step 6: Final answer
x = 60,358.81
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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.