Finding the Fourth Proportional to 178,189.08, 245,900.91 and 106,569.09
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Solution
The fourth proportional to 178,189.08, 245,900.91 and 106,569.09 is: 147,065.33
Step by Step Solution
- Step 1: Write the proportion equation
178,189.08 : 245,900.91 = 106,569.09 : x - Step 2: Convert to fraction form
178,189.08/245,900.91 = 106,569.09/x - Step 3: Cross multiply
178,189.08x = 245,900.91 × 106,569.09 - Step 4: Simplify right side
178,189.08x = 26,205,436,208.87 - Step 5: Solve for x
x = 26,205,436,208.87/178,189.08 - Step 6: Final answer
x = 147,065.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.