Finding the Fourth Proportional to 106,790.98, 160,283.50 and 56,913.70
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Solution
The fourth proportional to 106,790.98, 160,283.50 and 56,913.70 is: 85,422.26
Step by Step Solution
- Step 1: Write the proportion equation
106,790.98 : 160,283.50 = 56,913.70 : x - Step 2: Convert to fraction form
106,790.98/160,283.50 = 56,913.70/x - Step 3: Cross multiply
106,790.98x = 160,283.50 × 56,913.70 - Step 4: Simplify right side
106,790.98x = 9,122,327,033.95 - Step 5: Solve for x
x = 9,122,327,033.95/106,790.98 - Step 6: Final answer
x = 85,422.26
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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.