Finding the Fourth Proportional to 247,076.74, 340,966.20 and 133,899.49
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Solution
The fourth proportional to 247,076.74, 340,966.20 and 133,899.49 is: 184,781.46
Step by Step Solution
- Step 1: Write the proportion equation
247,076.74 : 340,966.20 = 133,899.49 : x - Step 2: Convert to fraction form
247,076.74/340,966.20 = 133,899.49/x - Step 3: Cross multiply
247,076.74x = 340,966.20 × 133,899.49 - Step 4: Simplify right side
247,076.74x = 45,655,200,287.24 - Step 5: Solve for x
x = 45,655,200,287.24/247,076.74 - Step 6: Final answer
x = 184,781.46
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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.