Finding the Fourth Proportional to 247,076.20, 340,966.38 and 133,898.68
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Solution
The fourth proportional to 247,076.20, 340,966.38 and 133,898.68 is: 184,780.84
Step by Step Solution
- Step 1: Write the proportion equation
247,076.20 : 340,966.38 = 133,898.68 : x - Step 2: Convert to fraction form
247,076.20/340,966.38 = 133,898.68/x - Step 3: Cross multiply
247,076.20x = 340,966.38 × 133,898.68 - Step 4: Simplify right side
247,076.20x = 45,654,948,206.38 - Step 5: Solve for x
x = 45,654,948,206.38/247,076.20 - Step 6: Final answer
x = 184,780.84
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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.