Finding the Fourth Proportional to 573,903.36, 860,847.48 and 258,137.28
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Solution
The fourth proportional to 573,903.36, 860,847.48 and 258,137.28 is: 387,202.52
Step by Step Solution
- Step 1: Write the proportion equation
573,903.36 : 860,847.48 = 258,137.28 : x - Step 2: Convert to fraction form
573,903.36/860,847.48 = 258,137.28/x - Step 3: Cross multiply
573,903.36x = 860,847.48 × 258,137.28 - Step 4: Simplify right side
573,903.36x = 222,216,826,982.05 - Step 5: Solve for x
x = 222,216,826,982.05/573,903.36 - Step 6: Final answer
x = 387,202.52
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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.