Finding the Fourth Proportional to 587,226.80, 880,840.20 and 213,201.20
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Solution
The fourth proportional to 587,226.80, 880,840.20 and 213,201.20 is: 319,801.80
Step by Step Solution
- Step 1: Write the proportion equation
587,226.80 : 880,840.20 = 213,201.20 : x - Step 2: Convert to fraction form
587,226.80/880,840.20 = 213,201.20/x - Step 3: Cross multiply
587,226.80x = 880,840.20 × 213,201.20 - Step 4: Simplify right side
587,226.80x = 187,796,187,648.24 - Step 5: Solve for x
x = 187,796,187,648.24/587,226.80 - Step 6: Final answer
x = 319,801.80
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1.5x scale
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.