Finding the Fourth Proportional to 475,313.21, 655,686.88 and 322,299.62
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Solution
The fourth proportional to 475,313.21, 655,686.88 and 322,299.62 is: 444,607.11
Step by Step Solution
- Step 1: Write the proportion equation
475,313.21 : 655,686.88 = 322,299.62 : x - Step 2: Convert to fraction form
475,313.21/655,686.88 = 322,299.62/x - Step 3: Cross multiply
475,313.21x = 655,686.88 × 322,299.62 - Step 4: Simplify right side
475,313.21x = 211,327,628,984.55 - Step 5: Solve for x
x = 211,327,628,984.55/475,313.21 - Step 6: Final answer
x = 444,607.11
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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.