Finding the Fourth Proportional to 343,968.18, 474,660.09 and 191,016.06
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Solution
The fourth proportional to 343,968.18, 474,660.09 and 191,016.06 is: 263,593.28
Step by Step Solution
- Step 1: Write the proportion equation
343,968.18 : 474,660.09 = 191,016.06 : x - Step 2: Convert to fraction form
343,968.18/474,660.09 = 191,016.06/x - Step 3: Cross multiply
343,968.18x = 474,660.09 × 191,016.06 - Step 4: Simplify right side
343,968.18x = 90,667,700,231.05 - Step 5: Solve for x
x = 90,667,700,231.05/343,968.18 - Step 6: Final answer
x = 263,593.28
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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.