Finding the Fourth Proportional to 645,800.96, 968,176.56 and 225,372.08
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Solution
The fourth proportional to 645,800.96, 968,176.56 and 225,372.08 is: 337,874.95
Step by Step Solution
- Step 1: Write the proportion equation
645,800.96 : 968,176.56 = 225,372.08 : x - Step 2: Convert to fraction form
645,800.96/968,176.56 = 225,372.08/x - Step 3: Cross multiply
645,800.96x = 968,176.56 × 225,372.08 - Step 4: Simplify right side
645,800.96x = 218,199,967,554.89 - Step 5: Solve for x
x = 218,199,967,554.89/645,800.96 - Step 6: Final answer
x = 337,874.95
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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.