Finding the Fourth Proportional to 459,015.08, 688,257.74 and 178,204.28
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Solution
The fourth proportional to 459,015.08, 688,257.74 and 178,204.28 is: 267,203.59
Step by Step Solution
- Step 1: Write the proportion equation
459,015.08 : 688,257.74 = 178,204.28 : x - Step 2: Convert to fraction form
459,015.08/688,257.74 = 178,204.28/x - Step 3: Cross multiply
459,015.08x = 688,257.74 × 178,204.28 - Step 4: Simplify right side
459,015.08x = 122,650,475,011.13 - Step 5: Solve for x
x = 122,650,475,011.13/459,015.08 - Step 6: Final answer
x = 267,203.59
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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.