Finding the Fourth Proportional to 519,226.80, 778,913.10 and 164,203.80
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Solution
The fourth proportional to 519,226.80, 778,913.10 and 164,203.80 is: 246,328.75
Step by Step Solution
- Step 1: Write the proportion equation
519,226.80 : 778,913.10 = 164,203.80 : x - Step 2: Convert to fraction form
519,226.80/778,913.10 = 164,203.80/x - Step 3: Cross multiply
519,226.80x = 778,913.10 × 164,203.80 - Step 4: Simplify right side
519,226.80x = 127,900,490,889.78 - Step 5: Solve for x
x = 127,900,490,889.78/519,226.80 - Step 6: Final answer
x = 246,328.75
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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.