Finding the Fourth Proportional to 918,083.20, 1,377,124.80 and 244,163.20
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Solution
The fourth proportional to 918,083.20, 1,377,124.80 and 244,163.20 is: 366,244.80
Step by Step Solution
- Step 1: Write the proportion equation
918,083.20 : 1,377,124.80 = 244,163.20 : x - Step 2: Convert to fraction form
918,083.20/1,377,124.80 = 244,163.20/x - Step 3: Cross multiply
918,083.20x = 1,377,124.80 × 244,163.20 - Step 4: Simplify right side
918,083.20x = 336,243,197,967.36 - Step 5: Solve for x
x = 336,243,197,967.36/918,083.20 - Step 6: Final answer
x = 366,244.80
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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.