Finding the Fourth Proportional to 459,742.68, 689,170.50 and 235,208.79
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Solution
The fourth proportional to 459,742.68, 689,170.50 and 235,208.79 is: 352,586.28
Step by Step Solution
- Step 1: Write the proportion equation
459,742.68 : 689,170.50 = 235,208.79 : x - Step 2: Convert to fraction form
459,742.68/689,170.50 = 235,208.79/x - Step 3: Cross multiply
459,742.68x = 689,170.50 × 235,208.79 - Step 4: Simplify right side
459,742.68x = 162,098,959,408.70 - Step 5: Solve for x
x = 162,098,959,408.70/459,742.68 - Step 6: Final answer
x = 352,586.28
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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.