Finding the Fourth Proportional to 623,921.97, 935,948.56 and 203,230.65
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Solution
The fourth proportional to 623,921.97, 935,948.56 and 203,230.65 is: 304,867.34
Step by Step Solution
- Step 1: Write the proportion equation
623,921.97 : 935,948.56 = 203,230.65 : x - Step 2: Convert to fraction form
623,921.97/935,948.56 = 203,230.65/x - Step 3: Cross multiply
623,921.97x = 935,948.56 × 203,230.65 - Step 4: Simplify right side
623,921.97x = 190,213,434,215.36 - Step 5: Solve for x
x = 190,213,434,215.36/623,921.97 - Step 6: Final answer
x = 304,867.34
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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.