Finding the Fourth Proportional to 918,918.71, 1,378,443.91 and 244,996.49
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Solution
The fourth proportional to 918,918.71, 1,378,443.91 and 244,996.49 is: 367,512.29
Step by Step Solution
- Step 1: Write the proportion equation
918,918.71 : 1,378,443.91 = 244,996.49 : x - Step 2: Convert to fraction form
918,918.71/1,378,443.91 = 244,996.49/x - Step 3: Cross multiply
918,918.71x = 1,378,443.91 × 244,996.49 - Step 4: Simplify right side
918,918.71x = 337,713,919,611.88 - Step 5: Solve for x
x = 337,713,919,611.88/918,918.71 - Step 6: Final answer
x = 367,512.29
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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.