Finding the Fourth Proportional to 239,249.10, 358,873.66 and 70,756.31
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Solution
The fourth proportional to 239,249.10, 358,873.66 and 70,756.31 is: 106,134.47
Step by Step Solution
- Step 1: Write the proportion equation
239,249.10 : 358,873.66 = 70,756.31 : x - Step 2: Convert to fraction form
239,249.10/358,873.66 = 70,756.31/x - Step 3: Cross multiply
239,249.10x = 358,873.66 × 70,756.31 - Step 4: Simplify right side
239,249.10x = 25,392,575,937.79 - Step 5: Solve for x
x = 25,392,575,937.79/239,249.10 - Step 6: Final answer
x = 106,134.47
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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.