Finding the Fourth Proportional to 499,129.56, 688,797.27 and 272,775.06
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Solution
The fourth proportional to 499,129.56, 688,797.27 and 272,775.06 is: 376,428.75
Step by Step Solution
- Step 1: Write the proportion equation
499,129.56 : 688,797.27 = 272,775.06 : x - Step 2: Convert to fraction form
499,129.56/688,797.27 = 272,775.06/x - Step 3: Cross multiply
499,129.56x = 688,797.27 × 272,775.06 - Step 4: Simplify right side
499,129.56x = 187,886,716,652.09 - Step 5: Solve for x
x = 187,886,716,652.09/499,129.56 - Step 6: Final answer
x = 376,428.75
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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.