Finding the Fourth Proportional to 269,879.04, 372,404.80 and 156,679.68
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Solution
The fourth proportional to 269,879.04, 372,404.80 and 156,679.68 is: 216,201.54
Step by Step Solution
- Step 1: Write the proportion equation
269,879.04 : 372,404.80 = 156,679.68 : x - Step 2: Convert to fraction form
269,879.04/372,404.80 = 156,679.68/x - Step 3: Cross multiply
269,879.04x = 372,404.80 × 156,679.68 - Step 4: Simplify right side
269,879.04x = 58,348,264,894.46 - Step 5: Solve for x
x = 58,348,264,894.46/269,879.04 - Step 6: Final answer
x = 216,201.54
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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.