Finding the Fourth Proportional to 259,110.63, 388,718.19 and 109,351.08
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Solution
The fourth proportional to 259,110.63, 388,718.19 and 109,351.08 is: 164,048.67
Step by Step Solution
- Step 1: Write the proportion equation
259,110.63 : 388,718.19 = 109,351.08 : x - Step 2: Convert to fraction form
259,110.63/388,718.19 = 109,351.08/x - Step 3: Cross multiply
259,110.63x = 388,718.19 × 109,351.08 - Step 4: Simplify right side
259,110.63x = 42,506,753,892.15 - Step 5: Solve for x
x = 42,506,753,892.15/259,110.63 - Step 6: Final answer
x = 164,048.67
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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.