Finding the Fourth Proportional to 283,233.15, 390,829.68 and 166,939.02
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Solution
The fourth proportional to 283,233.15, 390,829.68 and 166,939.02 is: 230,356.95
Step by Step Solution
- Step 1: Write the proportion equation
283,233.15 : 390,829.68 = 166,939.02 : x - Step 2: Convert to fraction form
283,233.15/390,829.68 = 166,939.02/x - Step 3: Cross multiply
283,233.15x = 390,829.68 × 166,939.02 - Step 4: Simplify right side
283,233.15x = 65,244,723,766.11 - Step 5: Solve for x
x = 65,244,723,766.11/283,233.15 - Step 6: Final answer
x = 230,356.95
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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.