Finding the Fourth Proportional to 476,346.03, 657,354.93 and 261,489.75
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Solution
The fourth proportional to 476,346.03, 657,354.93 and 261,489.75 is: 360,854.43
Step by Step Solution
- Step 1: Write the proportion equation
476,346.03 : 657,354.93 = 261,489.75 : x - Step 2: Convert to fraction form
476,346.03/657,354.93 = 261,489.75/x - Step 3: Cross multiply
476,346.03x = 657,354.93 × 261,489.75 - Step 4: Simplify right side
476,346.03x = 171,891,576,306.97 - Step 5: Solve for x
x = 171,891,576,306.97/476,346.03 - Step 6: Final answer
x = 360,854.43
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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.