Finding the Fourth Proportional to 122,818.90, 184,228.35 and 43,935.70
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Solution
The fourth proportional to 122,818.90, 184,228.35 and 43,935.70 is: 65,903.55
Step by Step Solution
- Step 1: Write the proportion equation
122,818.90 : 184,228.35 = 43,935.70 : x - Step 2: Convert to fraction form
122,818.90/184,228.35 = 43,935.70/x - Step 3: Cross multiply
122,818.90x = 184,228.35 × 43,935.70 - Step 4: Simplify right side
122,818.90x = 8,094,201,517.10 - Step 5: Solve for x
x = 8,094,201,517.10/122,818.90 - Step 6: Final answer
x = 65,903.55
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1.5x scale
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.