Finding the Fourth Proportional to 438,572.28, 605,241.54 and 266,431.68
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Solution
The fourth proportional to 438,572.28, 605,241.54 and 266,431.68 is: 367,682.88
Step by Step Solution
- Step 1: Write the proportion equation
438,572.28 : 605,241.54 = 266,431.68 : x - Step 2: Convert to fraction form
438,572.28/605,241.54 = 266,431.68/x - Step 3: Cross multiply
438,572.28x = 605,241.54 × 266,431.68 - Step 4: Simplify right side
438,572.28x = 161,255,520,307.99 - Step 5: Solve for x
x = 161,255,520,307.99/438,572.28 - Step 6: Final answer
x = 367,682.88
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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.