Finding the Fourth Proportional to 519,325.90, 778,843.05 and 164,448.70
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Solution
The fourth proportional to 519,325.90, 778,843.05 and 164,448.70 is: 246,626.88
Step by Step Solution
- Step 1: Write the proportion equation
519,325.90 : 778,843.05 = 164,448.70 : x - Step 2: Convert to fraction form
519,325.90/778,843.05 = 164,448.70/x - Step 3: Cross multiply
519,325.90x = 778,843.05 × 164,448.70 - Step 4: Simplify right side
519,325.90x = 128,079,727,076.54 - Step 5: Solve for x
x = 128,079,727,076.54/519,325.90 - Step 6: Final answer
x = 246,626.88
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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.