Finding the Fourth Proportional to 245,729.70, 368,594.55 and 79,517.70
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Solution
The fourth proportional to 245,729.70, 368,594.55 and 79,517.70 is: 119,276.55
Step by Step Solution
- Step 1: Write the proportion equation
245,729.70 : 368,594.55 = 79,517.70 : x - Step 2: Convert to fraction form
245,729.70/368,594.55 = 79,517.70/x - Step 3: Cross multiply
245,729.70x = 368,594.55 × 79,517.70 - Step 4: Simplify right side
245,729.70x = 29,309,790,848.54 - Step 5: Solve for x
x = 29,309,790,848.54/245,729.70 - Step 6: Final answer
x = 119,276.55
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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.