Finding the Fourth Proportional to 298,735.09, 448,309.59 and 118,802.08
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Solution
The fourth proportional to 298,735.09, 448,309.59 and 118,802.08 is: 178,285.42
Step by Step Solution
- Step 1: Write the proportion equation
298,735.09 : 448,309.59 = 118,802.08 : x - Step 2: Convert to fraction form
298,735.09/448,309.59 = 118,802.08/x - Step 3: Cross multiply
298,735.09x = 448,309.59 × 118,802.08 - Step 4: Simplify right side
298,735.09x = 53,260,111,890.83 - Step 5: Solve for x
x = 53,260,111,890.83/298,735.09 - Step 6: Final answer
x = 178,285.42
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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.