Finding the Fourth Proportional to 194,011.40, 267,772.48 and 121,448.08
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Solution
The fourth proportional to 194,011.40, 267,772.48 and 121,448.08 is: 167,621.35
Step by Step Solution
- Step 1: Write the proportion equation
194,011.40 : 267,772.48 = 121,448.08 : x - Step 2: Convert to fraction form
194,011.40/267,772.48 = 121,448.08/x - Step 3: Cross multiply
194,011.40x = 267,772.48 × 121,448.08 - Step 4: Simplify right side
194,011.40x = 32,520,453,572.84 - Step 5: Solve for x
x = 32,520,453,572.84/194,011.40 - Step 6: Final answer
x = 167,621.35
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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.