Finding the Fourth Proportional to 356,782.06, 491,955.68 and 227,547.68
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Solution
The fourth proportional to 356,782.06, 491,955.68 and 227,547.68 is: 313,758.42
Step by Step Solution
- Step 1: Write the proportion equation
356,782.06 : 491,955.68 = 227,547.68 : x - Step 2: Convert to fraction form
356,782.06/491,955.68 = 227,547.68/x - Step 3: Cross multiply
356,782.06x = 491,955.68 × 227,547.68 - Step 4: Simplify right side
356,782.06x = 111,943,373,646.82 - Step 5: Solve for x
x = 111,943,373,646.82/356,782.06 - Step 6: Final answer
x = 313,758.42
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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.