Finding the Fourth Proportional to 356,192.74, 491,574.12 and 203,195.84
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Solution
The fourth proportional to 356,192.74, 491,574.12 and 203,195.84 is: 280,426.31
Step by Step Solution
- Step 1: Write the proportion equation
356,192.74 : 491,574.12 = 203,195.84 : x - Step 2: Convert to fraction form
356,192.74/491,574.12 = 203,195.84/x - Step 3: Cross multiply
356,192.74x = 491,574.12 × 203,195.84 - Step 4: Simplify right side
356,192.74x = 99,885,815,780.91 - Step 5: Solve for x
x = 99,885,815,780.91/356,192.74 - Step 6: Final answer
x = 280,426.31
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1.5x scale
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.