Finding the Fourth Proportional to 383,358.38, 529,038.14 and 211,282.49
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Solution
The fourth proportional to 383,358.38, 529,038.14 and 211,282.49 is: 291,571.80
Step by Step Solution
- Step 1: Write the proportion equation
383,358.38 : 529,038.14 = 211,282.49 : x - Step 2: Convert to fraction form
383,358.38/529,038.14 = 211,282.49/x - Step 3: Cross multiply
383,358.38x = 529,038.14 × 211,282.49 - Step 4: Simplify right side
383,358.38x = 111,776,493,407.18 - Step 5: Solve for x
x = 111,776,493,407.18/383,358.38 - Step 6: Final answer
x = 291,571.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.