Finding the Fourth Proportional to 255,445.09, 352,525.11 and 142,267.84
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Solution
The fourth proportional to 255,445.09, 352,525.11 and 142,267.84 is: 196,335.68
Step by Step Solution
- Step 1: Write the proportion equation
255,445.09 : 352,525.11 = 142,267.84 : x - Step 2: Convert to fraction form
255,445.09/352,525.11 = 142,267.84/x - Step 3: Cross multiply
255,445.09x = 352,525.11 × 142,267.84 - Step 4: Simplify right side
255,445.09x = 50,152,985,945.46 - Step 5: Solve for x
x = 50,152,985,945.46/255,445.09 - Step 6: Final answer
x = 196,335.68
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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.