Finding the Fourth Proportional to 324,038.84, 486,056.88 and 87,405.44
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Solution
The fourth proportional to 324,038.84, 486,056.88 and 87,405.44 is: 131,107.79
Step by Step Solution
- Step 1: Write the proportion equation
324,038.84 : 486,056.88 = 87,405.44 : x - Step 2: Convert to fraction form
324,038.84/486,056.88 = 87,405.44/x - Step 3: Cross multiply
324,038.84x = 486,056.88 × 87,405.44 - Step 4: Simplify right side
324,038.84x = 42,484,015,461.43 - Step 5: Solve for x
x = 42,484,015,461.43/324,038.84 - Step 6: Final answer
x = 131,107.79
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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.