Finding the Fourth Proportional to 499,432.49, 689,206.38 and 273,077.99
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Solution
The fourth proportional to 499,432.49, 689,206.38 and 273,077.99 is: 376,841.91
Step by Step Solution
- Step 1: Write the proportion equation
499,432.49 : 689,206.38 = 273,077.99 : x - Step 2: Convert to fraction form
499,432.49/689,206.38 = 273,077.99/x - Step 3: Cross multiply
499,432.49x = 689,206.38 × 273,077.99 - Step 4: Simplify right side
499,432.49x = 188,207,092,945.58 - Step 5: Solve for x
x = 188,207,092,945.58/499,432.49 - Step 6: Final answer
x = 376,841.91
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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.