Finding the Fourth Proportional to 459,461.38, 688,490.36 and 193,076.26
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Solution
The fourth proportional to 459,461.38, 688,490.36 and 193,076.26 is: 289,319.52
Step by Step Solution
- Step 1: Write the proportion equation
459,461.38 : 688,490.36 = 193,076.26 : x - Step 2: Convert to fraction form
459,461.38/688,490.36 = 193,076.26/x - Step 3: Cross multiply
459,461.38x = 688,490.36 × 193,076.26 - Step 4: Simplify right side
459,461.38x = 132,931,143,754.85 - Step 5: Solve for x
x = 132,931,143,754.85/459,461.38 - Step 6: Final answer
x = 289,319.52
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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.