Finding the Fourth Proportional to 266,961.74, 368,370.84 and 159,509.06
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Solution
The fourth proportional to 266,961.74, 368,370.84 and 159,509.06 is: 220,100.78
Step by Step Solution
- Step 1: Write the proportion equation
266,961.74 : 368,370.84 = 159,509.06 : x - Step 2: Convert to fraction form
266,961.74/368,370.84 = 159,509.06/x - Step 3: Cross multiply
266,961.74x = 368,370.84 × 159,509.06 - Step 4: Simplify right side
266,961.74x = 58,758,486,419.81 - Step 5: Solve for x
x = 58,758,486,419.81/266,961.74 - Step 6: Final answer
x = 220,100.78
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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.