Finding the Fourth Proportional to 459,159.21, 688,737.74 and 122,199.75
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Solution
The fourth proportional to 459,159.21, 688,737.74 and 122,199.75 is: 183,299.34
Step by Step Solution
- Step 1: Write the proportion equation
459,159.21 : 688,737.74 = 122,199.75 : x - Step 2: Convert to fraction form
459,159.21/688,737.74 = 122,199.75/x - Step 3: Cross multiply
459,159.21x = 688,737.74 × 122,199.75 - Step 4: Simplify right side
459,159.21x = 84,163,579,032.57 - Step 5: Solve for x
x = 84,163,579,032.57/459,159.21 - Step 6: Final answer
x = 183,299.34
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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.