Finding the Fourth Proportional to 197,410.62, 272,460.16 and 111,393.99
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Solution
The fourth proportional to 197,410.62, 272,460.16 and 111,393.99 is: 153,742.61
Step by Step Solution
- Step 1: Write the proportion equation
197,410.62 : 272,460.16 = 111,393.99 : x - Step 2: Convert to fraction form
197,410.62/272,460.16 = 111,393.99/x - Step 3: Cross multiply
197,410.62x = 272,460.16 × 111,393.99 - Step 4: Simplify right side
197,410.62x = 30,350,423,851.09 - Step 5: Solve for x
x = 30,350,423,851.09/197,410.62 - Step 6: Final answer
x = 153,742.61
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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.