Finding the Fourth Proportional to 283,432.84, 391,181.74 and 167,159.09
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Solution
The fourth proportional to 283,432.84, 391,181.74 and 167,159.09 is: 230,705.74
Step by Step Solution
- Step 1: Write the proportion equation
283,432.84 : 391,181.74 = 167,159.09 : x - Step 2: Convert to fraction form
283,432.84/391,181.74 = 167,159.09/x - Step 3: Cross multiply
283,432.84x = 391,181.74 × 167,159.09 - Step 4: Simplify right side
283,432.84x = 65,389,584,475.73 - Step 5: Solve for x
x = 65,389,584,475.73/283,432.84 - Step 6: Final answer
x = 230,705.74
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1.5x scale
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.