Finding the Fourth Proportional to 459,124.23, 688,685.42 and 122,164.88
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Solution
The fourth proportional to 459,124.23, 688,685.42 and 122,164.88 is: 183,247.07
Step by Step Solution
- Step 1: Write the proportion equation
459,124.23 : 688,685.42 = 122,164.88 : x - Step 2: Convert to fraction form
459,124.23/688,685.42 = 122,164.88/x - Step 3: Cross multiply
459,124.23x = 688,685.42 × 122,164.88 - Step 4: Simplify right side
459,124.23x = 84,133,168,554.03 - Step 5: Solve for x
x = 84,133,168,554.03/459,124.23 - Step 6: Final answer
x = 183,247.07
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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.