Finding the Fourth Proportional to 122,903.60, 184,195.64 and 55,386.08
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Solution
The fourth proportional to 122,903.60, 184,195.64 and 55,386.08 is: 83,007.12
Step by Step Solution
- Step 1: Write the proportion equation
122,903.60 : 184,195.64 = 55,386.08 : x - Step 2: Convert to fraction form
122,903.60/184,195.64 = 55,386.08/x - Step 3: Cross multiply
122,903.60x = 184,195.64 × 55,386.08 - Step 4: Simplify right side
122,903.60x = 10,201,874,452.69 - Step 5: Solve for x
x = 10,201,874,452.69/122,903.60 - Step 6: Final answer
x = 83,007.12
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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.