Finding the Fourth Proportional to 296,000.69, 408,208.38 and 193,988.99
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Solution
The fourth proportional to 296,000.69, 408,208.38 and 193,988.99 is: 267,526.17
Step by Step Solution
- Step 1: Write the proportion equation
296,000.69 : 408,208.38 = 193,988.99 : x - Step 2: Convert to fraction form
296,000.69/408,208.38 = 193,988.99/x - Step 3: Cross multiply
296,000.69x = 408,208.38 × 193,988.99 - Step 4: Simplify right side
296,000.69x = 79,187,931,345.74 - Step 5: Solve for x
x = 79,187,931,345.74/296,000.69 - Step 6: Final answer
x = 267,526.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.