Finding the Fourth Proportional to 259,056.06, 388,021.62 and 125,655.93
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Solution
The fourth proportional to 259,056.06, 388,021.62 and 125,655.93 is: 188,211.07
Step by Step Solution
- Step 1: Write the proportion equation
259,056.06 : 388,021.62 = 125,655.93 : x - Step 2: Convert to fraction form
259,056.06/388,021.62 = 125,655.93/x - Step 3: Cross multiply
259,056.06x = 388,021.62 × 125,655.93 - Step 4: Simplify right side
259,056.06x = 48,757,217,521.21 - Step 5: Solve for x
x = 48,757,217,521.21/259,056.06 - Step 6: Final answer
x = 188,211.07
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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.