Finding the Fourth Proportional to 219,569.28, 329,794.80 and 130,995.84
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Solution
The fourth proportional to 219,569.28, 329,794.80 and 130,995.84 is: 196,756.79
Step by Step Solution
- Step 1: Write the proportion equation
219,569.28 : 329,794.80 = 130,995.84 : x - Step 2: Convert to fraction form
219,569.28/329,794.80 = 130,995.84/x - Step 3: Cross multiply
219,569.28x = 329,794.80 × 130,995.84 - Step 4: Simplify right side
219,569.28x = 43,201,746,853.63 - Step 5: Solve for x
x = 43,201,746,853.63/219,569.28 - Step 6: Final answer
x = 196,756.79
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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.