Finding the Fourth Proportional to 480,917.76, 663,652.08 and 266,045.28
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Solution
The fourth proportional to 480,917.76, 663,652.08 and 266,045.28 is: 367,134.50
Step by Step Solution
- Step 1: Write the proportion equation
480,917.76 : 663,652.08 = 266,045.28 : x - Step 2: Convert to fraction form
480,917.76/663,652.08 = 266,045.28/x - Step 3: Cross multiply
480,917.76x = 663,652.08 × 266,045.28 - Step 4: Simplify right side
480,917.76x = 176,561,503,446.18 - Step 5: Solve for x
x = 176,561,503,446.18/480,917.76 - Step 6: Final answer
x = 367,134.50
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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.