Finding the Fourth Proportional to 218,325.12, 301,267.32 and 122,829.84
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Solution
The fourth proportional to 218,325.12, 301,267.32 and 122,829.84 is: 169,493.17
Step by Step Solution
- Step 1: Write the proportion equation
218,325.12 : 301,267.32 = 122,829.84 : x - Step 2: Convert to fraction form
218,325.12/301,267.32 = 122,829.84/x - Step 3: Cross multiply
218,325.12x = 301,267.32 × 122,829.84 - Step 4: Simplify right side
218,325.12x = 37,004,616,712.83 - Step 5: Solve for x
x = 37,004,616,712.83/218,325.12 - Step 6: Final answer
x = 169,493.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.