Finding the Fourth Proportional to 136,472.04, 204,823.08 and 57,642.84
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Solution
The fourth proportional to 136,472.04, 204,823.08 and 57,642.84 is: 86,512.84
Step by Step Solution
- Step 1: Write the proportion equation
136,472.04 : 204,823.08 = 57,642.84 : x - Step 2: Convert to fraction form
136,472.04/204,823.08 = 57,642.84/x - Step 3: Cross multiply
136,472.04x = 204,823.08 × 57,642.84 - Step 4: Simplify right side
136,472.04x = 11,806,584,028.75 - Step 5: Solve for x
x = 11,806,584,028.75/136,472.04 - Step 6: Final answer
x = 86,512.84
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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.