Finding the Fourth Proportional to 274,283.80, 411,425.70 and 134,315.80
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Solution
The fourth proportional to 274,283.80, 411,425.70 and 134,315.80 is: 201,473.70
Step by Step Solution
- Step 1: Write the proportion equation
274,283.80 : 411,425.70 = 134,315.80 : x - Step 2: Convert to fraction form
274,283.80/411,425.70 = 134,315.80/x - Step 3: Cross multiply
274,283.80x = 411,425.70 × 134,315.80 - Step 4: Simplify right side
274,283.80x = 55,260,972,036.06 - Step 5: Solve for x
x = 55,260,972,036.06/274,283.80 - Step 6: Final answer
x = 201,473.70
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1.5x scale
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.