Finding the Fourth Proportional to 411,079.56, 616,201.68 and 277,974.96
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Solution
The fourth proportional to 411,079.56, 616,201.68 and 277,974.96 is: 416,680.02
Step by Step Solution
- Step 1: Write the proportion equation
411,079.56 : 616,201.68 = 277,974.96 : x - Step 2: Convert to fraction form
411,079.56/616,201.68 = 277,974.96/x - Step 3: Cross multiply
411,079.56x = 616,201.68 × 277,974.96 - Step 4: Simplify right side
411,079.56x = 171,288,637,349.93 - Step 5: Solve for x
x = 171,288,637,349.93/411,079.56 - Step 6: Final answer
x = 416,680.02
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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.