Finding the Fourth Proportional to 178,460.21, 246,295.68 and 106,840.19
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Solution
The fourth proportional to 178,460.21, 246,295.68 and 106,840.19 is: 147,451.79
Step by Step Solution
- Step 1: Write the proportion equation
178,460.21 : 246,295.68 = 106,840.19 : x - Step 2: Convert to fraction form
178,460.21/246,295.68 = 106,840.19/x - Step 3: Cross multiply
178,460.21x = 246,295.68 × 106,840.19 - Step 4: Simplify right side
178,460.21x = 26,314,277,462.47 - Step 5: Solve for x
x = 26,314,277,462.47/178,460.21 - Step 6: Final answer
x = 147,451.79
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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.