Finding the Fourth Proportional to 266,214.21, 367,372.82 and 145,355.13
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Solution
The fourth proportional to 266,214.21, 367,372.82 and 145,355.13 is: 200,588.55
Step by Step Solution
- Step 1: Write the proportion equation
266,214.21 : 367,372.82 = 145,355.13 : x - Step 2: Convert to fraction form
266,214.21/367,372.82 = 145,355.13/x - Step 3: Cross multiply
266,214.21x = 367,372.82 × 145,355.13 - Step 4: Simplify right side
266,214.21x = 53,399,523,282.79 - Step 5: Solve for x
x = 53,399,523,282.79/266,214.21 - Step 6: Final answer
x = 200,588.55
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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.