Finding the Fourth Proportional to 266,659.97, 368,083.37 and 153,527.81
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Solution
The fourth proportional to 266,659.97, 368,083.37 and 153,527.81 is: 211,921.70
Step by Step Solution
- Step 1: Write the proportion equation
266,659.97 : 368,083.37 = 153,527.81 : x - Step 2: Convert to fraction form
266,659.97/368,083.37 = 153,527.81/x - Step 3: Cross multiply
266,659.97x = 368,083.37 × 153,527.81 - Step 4: Simplify right side
266,659.97x = 56,511,033,693.52 - Step 5: Solve for x
x = 56,511,033,693.52/266,659.97 - Step 6: Final answer
x = 211,921.70
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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.