Finding the Fourth Proportional to 254,740.62, 351,171.56 and 178,021.53
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Solution
The fourth proportional to 254,740.62, 351,171.56 and 178,021.53 is: 245,410.79
Step by Step Solution
- Step 1: Write the proportion equation
254,740.62 : 351,171.56 = 178,021.53 : x - Step 2: Convert to fraction form
254,740.62/351,171.56 = 178,021.53/x - Step 3: Cross multiply
254,740.62x = 351,171.56 × 178,021.53 - Step 4: Simplify right side
254,740.62x = 62,516,098,848.74 - Step 5: Solve for x
x = 62,516,098,848.74/254,740.62 - Step 6: Final answer
x = 245,410.79
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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.