Finding the Fourth Proportional to 314,977.28, 434,660.80 and 171,740.12
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Solution
The fourth proportional to 314,977.28, 434,660.80 and 171,740.12 is: 236,997.09
Step by Step Solution
- Step 1: Write the proportion equation
314,977.28 : 434,660.80 = 171,740.12 : x - Step 2: Convert to fraction form
314,977.28/434,660.80 = 171,740.12/x - Step 3: Cross multiply
314,977.28x = 434,660.80 × 171,740.12 - Step 4: Simplify right side
314,977.28x = 74,648,697,951.30 - Step 5: Solve for x
x = 74,648,697,951.30/314,977.28 - Step 6: Final answer
x = 236,997.09
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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.