Finding the Fourth Proportional to 274,516.80, 411,580.80 and 124,828.80
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Solution
The fourth proportional to 274,516.80, 411,580.80 and 124,828.80 is: 187,154.80
Step by Step Solution
- Step 1: Write the proportion equation
274,516.80 : 411,580.80 = 124,828.80 : x - Step 2: Convert to fraction form
274,516.80/411,580.80 = 124,828.80/x - Step 3: Cross multiply
274,516.80x = 411,580.80 × 124,828.80 - Step 4: Simplify right side
274,516.80x = 51,377,137,367.04 - Step 5: Solve for x
x = 51,377,137,367.04/274,516.80 - Step 6: Final answer
x = 187,154.80
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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.