Finding the Fourth Proportional to 194,390.98, 291,542.73 and 69,731.98
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Solution
The fourth proportional to 194,390.98, 291,542.73 and 69,731.98 is: 104,582.28
Step by Step Solution
- Step 1: Write the proportion equation
194,390.98 : 291,542.73 = 69,731.98 : x - Step 2: Convert to fraction form
194,390.98/291,542.73 = 69,731.98/x - Step 3: Cross multiply
194,390.98x = 291,542.73 × 69,731.98 - Step 4: Simplify right side
194,390.98x = 20,329,851,088.65 - Step 5: Solve for x
x = 20,329,851,088.65/194,390.98 - Step 6: Final answer
x = 104,582.28
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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.