Finding the Fourth Proportional to 239,216.49, 358,857.54 and 70,750.06
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Solution
The fourth proportional to 239,216.49, 358,857.54 and 70,750.06 is: 106,134.79
Step by Step Solution
- Step 1: Write the proportion equation
239,216.49 : 358,857.54 = 70,750.06 : x - Step 2: Convert to fraction form
239,216.49/358,857.54 = 70,750.06/x - Step 3: Cross multiply
239,216.49x = 358,857.54 × 70,750.06 - Step 4: Simplify right side
239,216.49x = 25,389,191,589.31 - Step 5: Solve for x
x = 25,389,191,589.31/239,216.49 - Step 6: Final answer
x = 106,134.79
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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.