Finding the Fourth Proportional to 283,089.75, 390,652.74 and 162,144.96
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Solution
The fourth proportional to 283,089.75, 390,652.74 and 162,144.96 is: 223,753.68
Step by Step Solution
- Step 1: Write the proportion equation
283,089.75 : 390,652.74 = 162,144.96 : x - Step 2: Convert to fraction form
283,089.75/390,652.74 = 162,144.96/x - Step 3: Cross multiply
283,089.75x = 390,652.74 × 162,144.96 - Step 4: Simplify right side
283,089.75x = 63,342,372,901.19 - Step 5: Solve for x
x = 63,342,372,901.19/283,089.75 - Step 6: Final answer
x = 223,753.68
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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.