Finding the Fourth Proportional to 178,693.29, 245,813.13 and 149,464.44
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Solution
The fourth proportional to 178,693.29, 245,813.13 and 149,464.44 is: 205,605.49
Step by Step Solution
- Step 1: Write the proportion equation
178,693.29 : 245,813.13 = 149,464.44 : x - Step 2: Convert to fraction form
178,693.29/245,813.13 = 149,464.44/x - Step 3: Cross multiply
178,693.29x = 245,813.13 × 149,464.44 - Step 4: Simplify right side
178,693.29x = 36,740,321,820.10 - Step 5: Solve for x
x = 36,740,321,820.10/178,693.29 - Step 6: Final answer
x = 205,605.49
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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.