Finding the Fourth Proportional to 499,007.25, 688,630.01 and 272,652.75
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Solution
The fourth proportional to 499,007.25, 688,630.01 and 272,652.75 is: 376,260.80
Step by Step Solution
- Step 1: Write the proportion equation
499,007.25 : 688,630.01 = 272,652.75 : x - Step 2: Convert to fraction form
499,007.25/688,630.01 = 272,652.75/x - Step 3: Cross multiply
499,007.25x = 688,630.01 × 272,652.75 - Step 4: Simplify right side
499,007.25x = 187,756,864,595.76 - Step 5: Solve for x
x = 187,756,864,595.76/499,007.25 - Step 6: Final answer
x = 376,260.80
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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.