Finding the Fourth Proportional to 459,285.99, 688,944.52 and 159,769.15
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Solution
The fourth proportional to 459,285.99, 688,944.52 and 159,769.15 is: 239,659.14
Step by Step Solution
- Step 1: Write the proportion equation
459,285.99 : 688,944.52 = 159,769.15 : x - Step 2: Convert to fraction form
459,285.99/688,944.52 = 159,769.15/x - Step 3: Cross multiply
459,285.99x = 688,944.52 × 159,769.15 - Step 4: Simplify right side
459,285.99x = 110,072,082,710.22 - Step 5: Solve for x
x = 110,072,082,710.22/459,285.99 - Step 6: Final answer
x = 239,659.14
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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.