Finding the Fourth Proportional to 272,785.84, 409,178.84 and 83,247.24
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Solution
The fourth proportional to 272,785.84, 409,178.84 and 83,247.24 is: 124,870.88
Step by Step Solution
- Step 1: Write the proportion equation
272,785.84 : 409,178.84 = 83,247.24 : x - Step 2: Convert to fraction form
272,785.84/409,178.84 = 83,247.24/x - Step 3: Cross multiply
272,785.84x = 409,178.84 × 83,247.24 - Step 4: Simplify right side
272,785.84x = 34,063,009,096.40 - Step 5: Solve for x
x = 34,063,009,096.40/272,785.84 - Step 6: Final answer
x = 124,870.88
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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.