Finding the Fourth Proportional to 163,660.80, 245,296.80 and 68,890.80
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Solution
The fourth proportional to 163,660.80, 245,296.80 and 68,890.80 is: 103,254.37
Step by Step Solution
- Step 1: Write the proportion equation
163,660.80 : 245,296.80 = 68,890.80 : x - Step 2: Convert to fraction form
163,660.80/245,296.80 = 68,890.80/x - Step 3: Cross multiply
163,660.80x = 245,296.80 × 68,890.80 - Step 4: Simplify right side
163,660.80x = 16,898,692,789.44 - Step 5: Solve for x
x = 16,898,692,789.44/163,660.80 - Step 6: Final answer
x = 103,254.37
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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.