Finding the Fourth Proportional to 138,158.60, 207,237.90 and 44,673.80
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Solution
The fourth proportional to 138,158.60, 207,237.90 and 44,673.80 is: 67,010.70
Step by Step Solution
- Step 1: Write the proportion equation
138,158.60 : 207,237.90 = 44,673.80 : x - Step 2: Convert to fraction form
138,158.60/207,237.90 = 44,673.80/x - Step 3: Cross multiply
138,158.60x = 207,237.90 × 44,673.80 - Step 4: Simplify right side
138,158.60x = 9,258,104,497.02 - Step 5: Solve for x
x = 9,258,104,497.02/138,158.60 - Step 6: Final answer
x = 67,010.70
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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.