Finding the Fourth Proportional to 245,191.80, 367,787.70 and 97,447.80
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Solution
The fourth proportional to 245,191.80, 367,787.70 and 97,447.80 is: 146,171.70
Step by Step Solution
- Step 1: Write the proportion equation
245,191.80 : 367,787.70 = 97,447.80 : x - Step 2: Convert to fraction form
245,191.80/367,787.70 = 97,447.80/x - Step 3: Cross multiply
245,191.80x = 367,787.70 × 97,447.80 - Step 4: Simplify right side
245,191.80x = 35,840,102,232.06 - Step 5: Solve for x
x = 35,840,102,232.06/245,191.80 - Step 6: Final answer
x = 146,171.70
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1.5x scale
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.