Finding the Fourth Proportional to 134,134.60, 201,201.90 and 103,030.60
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Solution
The fourth proportional to 134,134.60, 201,201.90 and 103,030.60 is: 154,545.90
Step by Step Solution
- Step 1: Write the proportion equation
134,134.60 : 201,201.90 = 103,030.60 : x - Step 2: Convert to fraction form
134,134.60/201,201.90 = 103,030.60/x - Step 3: Cross multiply
134,134.60x = 201,201.90 × 103,030.60 - Step 4: Simplify right side
134,134.60x = 20,729,952,478.14 - Step 5: Solve for x
x = 20,729,952,478.14/134,134.60 - Step 6: Final answer
x = 154,545.90
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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.