Finding the Fourth Proportional to 581,671.53, 872,036.69 and 261,588.99
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Solution
The fourth proportional to 581,671.53, 872,036.69 and 261,588.99 is: 392,171.85
Step by Step Solution
- Step 1: Write the proportion equation
581,671.53 : 872,036.69 = 261,588.99 : x - Step 2: Convert to fraction form
581,671.53/872,036.69 = 261,588.99/x - Step 3: Cross multiply
581,671.53x = 872,036.69 × 261,588.99 - Step 4: Simplify right side
581,671.53x = 228,115,198,942.24 - Step 5: Solve for x
x = 228,115,198,942.24/581,671.53 - Step 6: Final answer
x = 392,171.85
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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.