Finding the Fourth Proportional to 265,243.06, 397,868.80 and 147,661.74
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Solution
The fourth proportional to 265,243.06, 397,868.80 and 147,661.74 is: 221,494.95
Step by Step Solution
- Step 1: Write the proportion equation
265,243.06 : 397,868.80 = 147,661.74 : x - Step 2: Convert to fraction form
265,243.06/397,868.80 = 147,661.74/x - Step 3: Cross multiply
265,243.06x = 397,868.80 × 147,661.74 - Step 4: Simplify right side
265,243.06x = 58,749,999,299.71 - Step 5: Solve for x
x = 58,749,999,299.71/265,243.06 - Step 6: Final answer
x = 221,494.95
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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.