Finding the Fourth Proportional to 439,375.62, 606,309.76 and 245,749.79
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Solution
The fourth proportional to 439,375.62, 606,309.76 and 245,749.79 is: 339,118.71
Step by Step Solution
- Step 1: Write the proportion equation
439,375.62 : 606,309.76 = 245,749.79 : x - Step 2: Convert to fraction form
439,375.62/606,309.76 = 245,749.79/x - Step 3: Cross multiply
439,375.62x = 606,309.76 × 245,749.79 - Step 4: Simplify right side
439,375.62x = 149,000,493,225.08 - Step 5: Solve for x
x = 149,000,493,225.08/439,375.62 - Step 6: Final answer
x = 339,118.71
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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.