Finding the Fourth Proportional to 499,349.26, 689,101.86 and 272,994.76
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Solution
The fourth proportional to 499,349.26, 689,101.86 and 272,994.76 is: 376,732.70
Step by Step Solution
- Step 1: Write the proportion equation
499,349.26 : 689,101.86 = 272,994.76 : x - Step 2: Convert to fraction form
499,349.26/689,101.86 = 272,994.76/x - Step 3: Cross multiply
499,349.26x = 689,101.86 × 272,994.76 - Step 4: Simplify right side
499,349.26x = 188,121,196,886.25 - Step 5: Solve for x
x = 188,121,196,886.25/499,349.26 - Step 6: Final answer
x = 376,732.70
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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.