Finding the Fourth Proportional to 636,202.91, 954,615.68 and 299,277.56
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Solution
The fourth proportional to 636,202.91, 954,615.68 and 299,277.56 is: 449,062.78
Step by Step Solution
- Step 1: Write the proportion equation
636,202.91 : 954,615.68 = 299,277.56 : x - Step 2: Convert to fraction form
636,202.91/954,615.68 = 299,277.56/x - Step 3: Cross multiply
636,202.91x = 954,615.68 × 299,277.56 - Step 4: Simplify right side
636,202.91x = 285,695,045,178.68 - Step 5: Solve for x
x = 285,695,045,178.68/636,202.91 - Step 6: Final answer
x = 449,062.78
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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.