Finding the Fourth Proportional to 519,195.83, 778,874.74 and 164,176.07
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Solution
The fourth proportional to 519,195.83, 778,874.74 and 164,176.07 is: 246,289.71
Step by Step Solution
- Step 1: Write the proportion equation
519,195.83 : 778,874.74 = 164,176.07 : x - Step 2: Convert to fraction form
519,195.83/778,874.74 = 164,176.07/x - Step 3: Cross multiply
519,195.83x = 778,874.74 × 164,176.07 - Step 4: Simplify right side
519,195.83x = 127,872,589,530.66 - Step 5: Solve for x
x = 127,872,589,530.66/519,195.83 - Step 6: Final answer
x = 246,289.71
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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.