Finding the Fourth Proportional to 256,236.84, 383,469.53 and 160,140.06
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Solution
The fourth proportional to 256,236.84, 383,469.53 and 160,140.06 is: 239,656.53
Step by Step Solution
- Step 1: Write the proportion equation
256,236.84 : 383,469.53 = 160,140.06 : x - Step 2: Convert to fraction form
256,236.84/383,469.53 = 160,140.06/x - Step 3: Cross multiply
256,236.84x = 383,469.53 × 160,140.06 - Step 4: Simplify right side
256,236.84x = 61,408,832,741.67 - Step 5: Solve for x
x = 61,408,832,741.67/256,236.84 - Step 6: Final answer
x = 239,656.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.