Finding the Fourth Proportional to 430,354.20, 593,888.79 and 236,757.75
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Solution
The fourth proportional to 430,354.20, 593,888.79 and 236,757.75 is: 326,725.70
Step by Step Solution
- Step 1: Write the proportion equation
430,354.20 : 593,888.79 = 236,757.75 : x - Step 2: Convert to fraction form
430,354.20/593,888.79 = 236,757.75/x - Step 3: Cross multiply
430,354.20x = 593,888.79 × 236,757.75 - Step 4: Simplify right side
430,354.20x = 140,607,775,672.01 - Step 5: Solve for x
x = 140,607,775,672.01/430,354.20 - Step 6: Final answer
x = 326,725.70
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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.