Finding the Fourth Proportional to 277,899.36, 383,516.16 and 157,045.68
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Solution
The fourth proportional to 277,899.36, 383,516.16 and 157,045.68 is: 216,731.54
Step by Step Solution
- Step 1: Write the proportion equation
277,899.36 : 383,516.16 = 157,045.68 : x - Step 2: Convert to fraction form
277,899.36/383,516.16 = 157,045.68/x - Step 3: Cross multiply
277,899.36x = 383,516.16 × 157,045.68 - Step 4: Simplify right side
277,899.36x = 60,229,556,138.19 - Step 5: Solve for x
x = 60,229,556,138.19/277,899.36 - Step 6: Final answer
x = 216,731.54
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1.5x scale
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.