Finding the Fourth Proportional to 283,014.09, 390,553.11 and 162,226.59
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Solution
The fourth proportional to 283,014.09, 390,553.11 and 162,226.59 is: 223,869.06
Step by Step Solution
- Step 1: Write the proportion equation
283,014.09 : 390,553.11 = 162,226.59 : x - Step 2: Convert to fraction form
283,014.09/390,553.11 = 162,226.59/x - Step 3: Cross multiply
283,014.09x = 390,553.11 × 162,226.59 - Step 4: Simplify right side
283,014.09x = 63,358,099,249.19 - Step 5: Solve for x
x = 63,358,099,249.19/283,014.09 - Step 6: Final answer
x = 223,869.06
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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.