Finding the Fourth Proportional to 247,398.75, 341,408.84 and 134,219.07
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Solution
The fourth proportional to 247,398.75, 341,408.84 and 134,219.07 is: 185,221.54
Step by Step Solution
- Step 1: Write the proportion equation
247,398.75 : 341,408.84 = 134,219.07 : x - Step 2: Convert to fraction form
247,398.75/341,408.84 = 134,219.07/x - Step 3: Cross multiply
247,398.75x = 341,408.84 × 134,219.07 - Step 4: Simplify right side
247,398.75x = 45,823,575,623.08 - Step 5: Solve for x
x = 45,823,575,623.08/247,398.75 - Step 6: Final answer
x = 185,221.54
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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.