Finding the Fourth Proportional to 266,298.21, 367,489.67 and 145,439.55
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Solution
The fourth proportional to 266,298.21, 367,489.67 and 145,439.55 is: 200,705.56
Step by Step Solution
- Step 1: Write the proportion equation
266,298.21 : 367,489.67 = 145,439.55 : x - Step 2: Convert to fraction form
266,298.21/367,489.67 = 145,439.55/x - Step 3: Cross multiply
266,298.21x = 367,489.67 × 145,439.55 - Step 4: Simplify right side
266,298.21x = 53,447,531,507.25 - Step 5: Solve for x
x = 53,447,531,507.25/266,298.21 - Step 6: Final answer
x = 200,705.56
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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.