Finding the Fourth Proportional to 297,037.67, 445,549.14 and 86,677.43
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Solution
The fourth proportional to 297,037.67, 445,549.14 and 86,677.43 is: 130,013.99
Step by Step Solution
- Step 1: Write the proportion equation
297,037.67 : 445,549.14 = 86,677.43 : x - Step 2: Convert to fraction form
297,037.67/445,549.14 = 86,677.43/x - Step 3: Cross multiply
297,037.67x = 445,549.14 × 86,677.43 - Step 4: Simplify right side
297,037.67x = 38,619,052,166.16 - Step 5: Solve for x
x = 38,619,052,166.16/297,037.67 - Step 6: Final answer
x = 130,013.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.