Finding the Fourth Proportional to 311,339.93, 467,022.19 and 86,719.99
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Solution
The fourth proportional to 311,339.93, 467,022.19 and 86,719.99 is: 130,083.41
Step by Step Solution
- Step 1: Write the proportion equation
311,339.93 : 467,022.19 = 86,719.99 : x - Step 2: Convert to fraction form
311,339.93/467,022.19 = 86,719.99/x - Step 3: Cross multiply
311,339.93x = 467,022.19 × 86,719.99 - Step 4: Simplify right side
311,339.93x = 40,500,159,646.58 - Step 5: Solve for x
x = 40,500,159,646.58/311,339.93 - Step 6: Final answer
x = 130,083.41
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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.