Finding the Fourth Proportional to 440,025.75, 607,235.55 and 238,821.75
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Solution
The fourth proportional to 440,025.75, 607,235.55 and 238,821.75 is: 329,574.02
Step by Step Solution
- Step 1: Write the proportion equation
440,025.75 : 607,235.55 = 238,821.75 : x - Step 2: Convert to fraction form
440,025.75/607,235.55 = 238,821.75/x - Step 3: Cross multiply
440,025.75x = 607,235.55 × 238,821.75 - Step 4: Simplify right side
440,025.75x = 145,021,056,713.21 - Step 5: Solve for x
x = 145,021,056,713.21/440,025.75 - Step 6: Final answer
x = 329,574.02
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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.