Finding the Fourth Proportional to 163,215.20, 244,822.80 and 154,029.80
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Solution
The fourth proportional to 163,215.20, 244,822.80 and 154,029.80 is: 231,044.70
Step by Step Solution
- Step 1: Write the proportion equation
163,215.20 : 244,822.80 = 154,029.80 : x - Step 2: Convert to fraction form
163,215.20/244,822.80 = 154,029.80/x - Step 3: Cross multiply
163,215.20x = 244,822.80 × 154,029.80 - Step 4: Simplify right side
163,215.20x = 37,710,006,919.44 - Step 5: Solve for x
x = 37,710,006,919.44/163,215.20 - Step 6: Final answer
x = 231,044.70
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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.