Finding the Fourth Proportional to 440,828.26, 608,343.40 and 239,624.26
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Solution
The fourth proportional to 440,828.26, 608,343.40 and 239,624.26 is: 330,681.70
Step by Step Solution
- Step 1: Write the proportion equation
440,828.26 : 608,343.40 = 239,624.26 : x - Step 2: Convert to fraction form
440,828.26/608,343.40 = 239,624.26/x - Step 3: Cross multiply
440,828.26x = 608,343.40 × 239,624.26 - Step 4: Simplify right side
440,828.26x = 145,773,837,050.88 - Step 5: Solve for x
x = 145,773,837,050.88/440,828.26 - Step 6: Final answer
x = 330,681.70
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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.