Finding the Fourth Proportional to 283,037.67, 390,647.81 and 162,260.06
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Solution
The fourth proportional to 283,037.67, 390,647.81 and 162,260.06 is: 223,950.88
Step by Step Solution
- Step 1: Write the proportion equation
283,037.67 : 390,647.81 = 162,260.06 : x - Step 2: Convert to fraction form
283,037.67/390,647.81 = 162,260.06/x - Step 3: Cross multiply
283,037.67x = 390,647.81 × 162,260.06 - Step 4: Simplify right side
283,037.67x = 63,386,535,541.88 - Step 5: Solve for x
x = 63,386,535,541.88/283,037.67 - Step 6: Final answer
x = 223,950.88
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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.