Finding the Fourth Proportional to 771,226.14, 1,156,894.29 and 238,678.68
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Solution
The fourth proportional to 771,226.14, 1,156,894.29 and 238,678.68 is: 358,035.07
Step by Step Solution
- Step 1: Write the proportion equation
771,226.14 : 1,156,894.29 = 238,678.68 : x - Step 2: Convert to fraction form
771,226.14/1,156,894.29 = 238,678.68/x - Step 3: Cross multiply
771,226.14x = 1,156,894.29 × 238,678.68 - Step 4: Simplify right side
771,226.14x = 276,126,002,036.74 - Step 5: Solve for x
x = 276,126,002,036.74/771,226.14 - Step 6: Final answer
x = 358,035.07
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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.