Finding the Fourth Proportional to 197,208.36, 272,125.83 and 120,746.70
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Solution
The fourth proportional to 197,208.36, 272,125.83 and 120,746.70 is: 166,617.16
Step by Step Solution
- Step 1: Write the proportion equation
197,208.36 : 272,125.83 = 120,746.70 : x - Step 2: Convert to fraction form
197,208.36/272,125.83 = 120,746.70/x - Step 3: Cross multiply
197,208.36x = 272,125.83 × 120,746.70 - Step 4: Simplify right side
197,208.36x = 32,858,295,957.26 - Step 5: Solve for x
x = 32,858,295,957.26/197,208.36 - Step 6: Final answer
x = 166,617.16
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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.