Finding the Fourth Proportional to 586,438.60, 879,542.70 and 192,454.60
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Solution
The fourth proportional to 586,438.60, 879,542.70 and 192,454.60 is: 288,644.09
Step by Step Solution
- Step 1: Write the proportion equation
586,438.60 : 879,542.70 = 192,454.60 : x - Step 2: Convert to fraction form
586,438.60/879,542.70 = 192,454.60/x - Step 3: Cross multiply
586,438.60x = 879,542.70 × 192,454.60 - Step 4: Simplify right side
586,438.60x = 169,272,038,511.42 - Step 5: Solve for x
x = 169,272,038,511.42/586,438.60 - Step 6: Final answer
x = 288,644.09
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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.