Finding the Fourth Proportional to 266,378.24, 399,435.24 and 97,891.76
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Solution
The fourth proportional to 266,378.24, 399,435.24 and 97,891.76 is: 146,789.09
Step by Step Solution
- Step 1: Write the proportion equation
266,378.24 : 399,435.24 = 97,891.76 : x - Step 2: Convert to fraction form
266,378.24/399,435.24 = 97,891.76/x - Step 3: Cross multiply
266,378.24x = 399,435.24 × 97,891.76 - Step 4: Simplify right side
266,378.24x = 39,101,418,649.62 - Step 5: Solve for x
x = 39,101,418,649.62/266,378.24 - Step 6: Final answer
x = 146,789.09
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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.