Finding the Fourth Proportional to 499,201.08, 688,887.36 and 272,848.20
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Solution
The fourth proportional to 499,201.08, 688,887.36 and 272,848.20 is: 376,524.98
Step by Step Solution
- Step 1: Write the proportion equation
499,201.08 : 688,887.36 = 272,848.20 : x - Step 2: Convert to fraction form
499,201.08/688,887.36 = 272,848.20/x - Step 3: Cross multiply
499,201.08x = 688,887.36 × 272,848.20 - Step 4: Simplify right side
499,201.08x = 187,961,676,178.75 - Step 5: Solve for x
x = 187,961,676,178.75/499,201.08 - Step 6: Final answer
x = 376,524.98
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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.