Finding the Fourth Proportional to 571,895.22, 789,252.78 and 330,187.98
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Solution
The fourth proportional to 571,895.22, 789,252.78 and 330,187.98 is: 455,680.99
Step by Step Solution
- Step 1: Write the proportion equation
571,895.22 : 789,252.78 = 330,187.98 : x - Step 2: Convert to fraction form
571,895.22/789,252.78 = 330,187.98/x - Step 3: Cross multiply
571,895.22x = 789,252.78 × 330,187.98 - Step 4: Simplify right side
571,895.22x = 260,601,781,137.58 - Step 5: Solve for x
x = 260,601,781,137.58/571,895.22 - Step 6: Final answer
x = 455,680.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.