Finding the Fourth Proportional to 440,889.49, 608,424.64 and 239,685.49
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Solution
The fourth proportional to 440,889.49, 608,424.64 and 239,685.49 is: 330,764.42
Step by Step Solution
- Step 1: Write the proportion equation
440,889.49 : 608,424.64 = 239,685.49 : x - Step 2: Convert to fraction form
440,889.49/608,424.64 = 239,685.49/x - Step 3: Cross multiply
440,889.49x = 608,424.64 × 239,685.49 - Step 4: Simplify right side
440,889.49x = 145,830,557,966.47 - Step 5: Solve for x
x = 145,830,557,966.47/440,889.49 - Step 6: Final answer
x = 330,764.42
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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.