Finding the Fourth Proportional to 416,302.77, 574,511.75 and 255,126.70
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Solution
The fourth proportional to 416,302.77, 574,511.75 and 255,126.70 is: 352,083.37
Step by Step Solution
- Step 1: Write the proportion equation
416,302.77 : 574,511.75 = 255,126.70 : x - Step 2: Convert to fraction form
416,302.77/574,511.75 = 255,126.70/x - Step 3: Cross multiply
416,302.77x = 574,511.75 × 255,126.70 - Step 4: Simplify right side
416,302.77x = 146,573,285,491.42 - Step 5: Solve for x
x = 146,573,285,491.42/416,302.77 - Step 6: Final answer
x = 352,083.37
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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.