Finding the Fourth Proportional to 122,990.70, 184,486.05 and 101,120.70
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Solution
The fourth proportional to 122,990.70, 184,486.05 and 101,120.70 is: 151,681.05
Step by Step Solution
- Step 1: Write the proportion equation
122,990.70 : 184,486.05 = 101,120.70 : x - Step 2: Convert to fraction form
122,990.70/184,486.05 = 101,120.70/x - Step 3: Cross multiply
122,990.70x = 184,486.05 × 101,120.70 - Step 4: Simplify right side
122,990.70x = 18,655,358,516.24 - Step 5: Solve for x
x = 18,655,358,516.24/122,990.70 - Step 6: Final answer
x = 151,681.05
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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.