Finding the Fourth Proportional to 489,541.40, 734,579.70 and 190,033.88
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Solution
The fourth proportional to 489,541.40, 734,579.70 and 190,033.88 is: 285,154.70
Step by Step Solution
- Step 1: Write the proportion equation
489,541.40 : 734,579.70 = 190,033.88 : x - Step 2: Convert to fraction form
489,541.40/734,579.70 = 190,033.88/x - Step 3: Cross multiply
489,541.40x = 734,579.70 × 190,033.88 - Step 4: Simplify right side
489,541.40x = 139,595,030,560.24 - Step 5: Solve for x
x = 139,595,030,560.24/489,541.40 - Step 6: Final answer
x = 285,154.70
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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.