Finding the Fourth Proportional to 838,222.71, 1,257,345.60 and 239,183.68
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Solution
The fourth proportional to 838,222.71, 1,257,345.60 and 239,183.68 is: 358,778.80
Step by Step Solution
- Step 1: Write the proportion equation
838,222.71 : 1,257,345.60 = 239,183.68 : x - Step 2: Convert to fraction form
838,222.71/1,257,345.60 = 239,183.68/x - Step 3: Cross multiply
838,222.71x = 1,257,345.60 × 239,183.68 - Step 4: Simplify right side
838,222.71x = 300,736,541,430.97 - Step 5: Solve for x
x = 300,736,541,430.97/838,222.71 - Step 6: Final answer
x = 358,778.80
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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.