Finding the Fourth Proportional to 277,656.81, 416,485.23 and 67,294.74
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Solution
The fourth proportional to 277,656.81, 416,485.23 and 67,294.74 is: 100,942.12
Step by Step Solution
- Step 1: Write the proportion equation
277,656.81 : 416,485.23 = 67,294.74 : x - Step 2: Convert to fraction form
277,656.81/416,485.23 = 67,294.74/x - Step 3: Cross multiply
277,656.81x = 416,485.23 × 67,294.74 - Step 4: Simplify right side
277,656.81x = 28,027,266,576.15 - Step 5: Solve for x
x = 28,027,266,576.15/277,656.81 - Step 6: Final answer
x = 100,942.12
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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.