Finding the Fourth Proportional to 544,353.88, 751,125.94 and 311,744.65
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Solution
The fourth proportional to 544,353.88, 751,125.94 and 311,744.65 is: 430,160.42
Step by Step Solution
- Step 1: Write the proportion equation
544,353.88 : 751,125.94 = 311,744.65 : x - Step 2: Convert to fraction form
544,353.88/751,125.94 = 311,744.65/x - Step 3: Cross multiply
544,353.88x = 751,125.94 × 311,744.65 - Step 4: Simplify right side
544,353.88x = 234,159,490,614.05 - Step 5: Solve for x
x = 234,159,490,614.05/544,353.88 - Step 6: Final answer
x = 430,160.42
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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.