Finding the Fourth Proportional to 199,432.41, 275,263.97 and 114,598.68
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Solution
The fourth proportional to 199,432.41, 275,263.97 and 114,598.68 is: 158,173.32
Step by Step Solution
- Step 1: Write the proportion equation
199,432.41 : 275,263.97 = 114,598.68 : x - Step 2: Convert to fraction form
199,432.41/275,263.97 = 114,598.68/x - Step 3: Cross multiply
199,432.41x = 275,263.97 × 114,598.68 - Step 4: Simplify right side
199,432.41x = 31,544,887,040.57 - Step 5: Solve for x
x = 31,544,887,040.57/199,432.41 - Step 6: Final answer
x = 158,173.32
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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.