Finding the Fourth Proportional to 266,832.79, 368,226.22 and 145,972.68
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Solution
The fourth proportional to 266,832.79, 368,226.22 and 145,972.68 is: 201,440.64
Step by Step Solution
- Step 1: Write the proportion equation
266,832.79 : 368,226.22 = 145,972.68 : x - Step 2: Convert to fraction form
266,832.79/368,226.22 = 145,972.68/x - Step 3: Cross multiply
266,832.79x = 368,226.22 × 145,972.68 - Step 4: Simplify right side
266,832.79x = 53,750,968,163.04 - Step 5: Solve for x
x = 53,750,968,163.04/266,832.79 - Step 6: Final answer
x = 201,440.64
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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.