Finding the Fourth Proportional to 315,052.36, 434,768.34 and 171,809.08
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Solution
The fourth proportional to 315,052.36, 434,768.34 and 171,809.08 is: 237,094.39
Step by Step Solution
- Step 1: Write the proportion equation
315,052.36 : 434,768.34 = 171,809.08 : x - Step 2: Convert to fraction form
315,052.36/434,768.34 = 171,809.08/x - Step 3: Cross multiply
315,052.36x = 434,768.34 × 171,809.08 - Step 4: Simplify right side
315,052.36x = 74,697,148,508.53 - Step 5: Solve for x
x = 74,697,148,508.53/315,052.36 - Step 6: Final answer
x = 237,094.39
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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.