Finding the Fourth Proportional to 293,606.21, 440,285.38 and 91,177.49
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Solution
The fourth proportional to 293,606.21, 440,285.38 and 91,177.49 is: 136,727.75
Step by Step Solution
- Step 1: Write the proportion equation
293,606.21 : 440,285.38 = 91,177.49 : x - Step 2: Convert to fraction form
293,606.21/440,285.38 = 91,177.49/x - Step 3: Cross multiply
293,606.21x = 440,285.38 × 91,177.49 - Step 4: Simplify right side
293,606.21x = 40,144,115,832.10 - Step 5: Solve for x
x = 40,144,115,832.10/293,606.21 - Step 6: Final answer
x = 136,727.75
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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.