Finding the Fourth Proportional to 440,867.44, 608,403.12 and 239,667.76
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Solution
The fourth proportional to 440,867.44, 608,403.12 and 239,667.76 is: 330,744.80
Step by Step Solution
- Step 1: Write the proportion equation
440,867.44 : 608,403.12 = 239,667.76 : x - Step 2: Convert to fraction form
440,867.44/608,403.12 = 239,667.76/x - Step 3: Cross multiply
440,867.44x = 608,403.12 × 239,667.76 - Step 4: Simplify right side
440,867.44x = 145,814,612,947.41 - Step 5: Solve for x
x = 145,814,612,947.41/440,867.44 - Step 6: Final answer
x = 330,744.80
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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.