Finding the Fourth Proportional to 298,034.49, 411,258.15 and 168,947.49
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Solution
The fourth proportional to 298,034.49, 411,258.15 and 168,947.49 is: 233,130.84
Step by Step Solution
- Step 1: Write the proportion equation
298,034.49 : 411,258.15 = 168,947.49 : x - Step 2: Convert to fraction form
298,034.49/411,258.15 = 168,947.49/x - Step 3: Cross multiply
298,034.49x = 411,258.15 × 168,947.49 - Step 4: Simplify right side
298,034.49x = 69,481,032,184.54 - Step 5: Solve for x
x = 69,481,032,184.54/298,034.49 - Step 6: Final answer
x = 233,130.84
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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.