Finding the Fourth Proportional to 266,822.44, 368,212.10 and 145,966.12
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Solution
The fourth proportional to 266,822.44, 368,212.10 and 145,966.12 is: 201,431.68
Step by Step Solution
- Step 1: Write the proportion equation
266,822.44 : 368,212.10 = 145,966.12 : x - Step 2: Convert to fraction form
266,822.44/368,212.10 = 145,966.12/x - Step 3: Cross multiply
266,822.44x = 368,212.10 × 145,966.12 - Step 4: Simplify right side
266,822.44x = 53,746,491,574.05 - Step 5: Solve for x
x = 53,746,491,574.05/266,822.44 - Step 6: Final answer
x = 201,431.68
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1.5x scale
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.