Finding the Fourth Proportional to 247,201.74, 341,138.79 and 134,024.78
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Solution
The fourth proportional to 247,201.74, 341,138.79 and 134,024.78 is: 184,954.41
Step by Step Solution
- Step 1: Write the proportion equation
247,201.74 : 341,138.79 = 134,024.78 : x - Step 2: Convert to fraction form
247,201.74/341,138.79 = 134,024.78/x - Step 3: Cross multiply
247,201.74x = 341,138.79 × 134,024.78 - Step 4: Simplify right side
247,201.74x = 45,721,051,279.22 - Step 5: Solve for x
x = 45,721,051,279.22/247,201.74 - Step 6: Final answer
x = 184,954.41
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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.