Finding the Fourth Proportional to 239,223.39, 329,674.03 and 171,122.09
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Solution
The fourth proportional to 239,223.39, 329,674.03 and 171,122.09 is: 235,823.55
Step by Step Solution
- Step 1: Write the proportion equation
239,223.39 : 329,674.03 = 171,122.09 : x - Step 2: Convert to fraction form
239,223.39/329,674.03 = 171,122.09/x - Step 3: Cross multiply
239,223.39x = 329,674.03 × 171,122.09 - Step 4: Simplify right side
239,223.39x = 56,414,507,918.71 - Step 5: Solve for x
x = 56,414,507,918.71/239,223.39 - Step 6: Final answer
x = 235,823.55
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1.5x scale
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.