Finding the Fourth Proportional to 383,358.89, 529,038.84 and 211,282.99
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Solution
The fourth proportional to 383,358.89, 529,038.84 and 211,282.99 is: 291,572.49
Step by Step Solution
- Step 1: Write the proportion equation
383,358.89 : 529,038.84 = 211,282.99 : x - Step 2: Convert to fraction form
383,358.89/529,038.84 = 211,282.99/x - Step 3: Cross multiply
383,358.89x = 529,038.84 × 211,282.99 - Step 4: Simplify right side
383,358.89x = 111,776,904,239.72 - Step 5: Solve for x
x = 111,776,904,239.72/383,358.89 - Step 6: Final answer
x = 291,572.49
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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.