Finding the Fourth Proportional to 298,859.06, 448,358.66 and 118,955.37
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Solution
The fourth proportional to 298,859.06, 448,358.66 and 118,955.37 is: 178,460.95
Step by Step Solution
- Step 1: Write the proportion equation
298,859.06 : 448,358.66 = 118,955.37 : x - Step 2: Convert to fraction form
298,859.06/448,358.66 = 118,955.37/x - Step 3: Cross multiply
298,859.06x = 448,358.66 × 118,955.37 - Step 4: Simplify right side
298,859.06x = 53,334,669,698.23 - Step 5: Solve for x
x = 53,334,669,698.23/298,859.06 - Step 6: Final answer
x = 178,460.95
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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.