Finding the Fourth Proportional to 247,408.36, 341,423.56 and 134,231.12
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Solution
The fourth proportional to 247,408.36, 341,423.56 and 134,231.12 is: 185,238.96
Step by Step Solution
- Step 1: Write the proportion equation
247,408.36 : 341,423.56 = 134,231.12 : x - Step 2: Convert to fraction form
247,408.36/341,423.56 = 134,231.12/x - Step 3: Cross multiply
247,408.36x = 341,423.56 × 134,231.12 - Step 4: Simplify right side
247,408.36x = 45,829,666,853.19 - Step 5: Solve for x
x = 45,829,666,853.19/247,408.36 - Step 6: Final answer
x = 185,238.96
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1.5x scale
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.