Finding the Fourth Proportional to 250,767.76, 346,059.47 and 143,340.09
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Solution
The fourth proportional to 250,767.76, 346,059.47 and 143,340.09 is: 197,809.31
Step by Step Solution
- Step 1: Write the proportion equation
250,767.76 : 346,059.47 = 143,340.09 : x - Step 2: Convert to fraction form
250,767.76/346,059.47 = 143,340.09/x - Step 3: Cross multiply
250,767.76x = 346,059.47 × 143,340.09 - Step 4: Simplify right side
250,767.76x = 49,604,196,156.17 - Step 5: Solve for x
x = 49,604,196,156.17/250,767.76 - Step 6: Final answer
x = 197,809.31
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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.