Finding the Fourth Proportional to 185,305.93, 255,722.40 and 100,422.99
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Solution
The fourth proportional to 185,305.93, 255,722.40 and 100,422.99 is: 138,583.84
Step by Step Solution
- Step 1: Write the proportion equation
185,305.93 : 255,722.40 = 100,422.99 : x - Step 2: Convert to fraction form
185,305.93/255,722.40 = 100,422.99/x - Step 3: Cross multiply
185,305.93x = 255,722.40 × 100,422.99 - Step 4: Simplify right side
185,305.93x = 25,680,408,017.98 - Step 5: Solve for x
x = 25,680,408,017.98/185,305.93 - Step 6: Final answer
x = 138,583.84
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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.