Finding the Fourth Proportional to 238,280.68, 357,568.76 and 138,487.88
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Solution
The fourth proportional to 238,280.68, 357,568.76 and 138,487.88 is: 207,817.69
Step by Step Solution
- Step 1: Write the proportion equation
238,280.68 : 357,568.76 = 138,487.88 : x - Step 2: Convert to fraction form
238,280.68/357,568.76 = 138,487.88/x - Step 3: Cross multiply
238,280.68x = 357,568.76 × 138,487.88 - Step 4: Simplify right side
238,280.68x = 49,518,939,526.63 - Step 5: Solve for x
x = 49,518,939,526.63/238,280.68 - Step 6: Final answer
x = 207,817.69
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1.5x scale
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.