Finding the Fourth Proportional to 313,056.74, 469,576.74 and 88,432.68
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Solution
The fourth proportional to 313,056.74, 469,576.74 and 88,432.68 is: 132,646.66
Step by Step Solution
- Step 1: Write the proportion equation
313,056.74 : 469,576.74 = 88,432.68 : x - Step 2: Convert to fraction form
313,056.74/469,576.74 = 88,432.68/x - Step 3: Cross multiply
313,056.74x = 469,576.74 × 88,432.68 - Step 4: Simplify right side
313,056.74x = 41,525,929,583.86 - Step 5: Solve for x
x = 41,525,929,583.86/313,056.74 - Step 6: Final answer
x = 132,646.66
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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.