Finding the Fourth Proportional to 440,606.25, 608,038.25 and 239,402.25
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Solution
The fourth proportional to 440,606.25, 608,038.25 and 239,402.25 is: 330,375.99
Step by Step Solution
- Step 1: Write the proportion equation
440,606.25 : 608,038.25 = 239,402.25 : x - Step 2: Convert to fraction form
440,606.25/608,038.25 = 239,402.25/x - Step 3: Cross multiply
440,606.25x = 608,038.25 × 239,402.25 - Step 4: Simplify right side
440,606.25x = 145,565,723,939.05 - Step 5: Solve for x
x = 145,565,723,939.05/440,606.25 - Step 6: Final answer
x = 330,375.99
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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.