Finding the Fourth Proportional to 259,113.63, 388,722.69 and 109,354.08
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Solution
The fourth proportional to 259,113.63, 388,722.69 and 109,354.08 is: 164,053.17
Step by Step Solution
- Step 1: Write the proportion equation
259,113.63 : 388,722.69 = 109,354.08 : x - Step 2: Convert to fraction form
259,113.63/388,722.69 = 109,354.08/x - Step 3: Cross multiply
259,113.63x = 388,722.69 × 109,354.08 - Step 4: Simplify right side
259,113.63x = 42,508,412,140.08 - Step 5: Solve for x
x = 42,508,412,140.08/259,113.63 - Step 6: Final answer
x = 164,053.17
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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.