Finding the Fourth Proportional to 134,439.06, 201,691.80 and 55,575.84
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Solution
The fourth proportional to 134,439.06, 201,691.80 and 55,575.84 is: 83,377.49
Step by Step Solution
- Step 1: Write the proportion equation
134,439.06 : 201,691.80 = 55,575.84 : x - Step 2: Convert to fraction form
134,439.06/201,691.80 = 55,575.84/x - Step 3: Cross multiply
134,439.06x = 201,691.80 × 55,575.84 - Step 4: Simplify right side
134,439.06x = 11,209,191,206.11 - Step 5: Solve for x
x = 11,209,191,206.11/134,439.06 - Step 6: Final answer
x = 83,377.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.