Finding the Fourth Proportional to 254,546.18, 351,278.08 and 139,829.66
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Solution
The fourth proportional to 254,546.18, 351,278.08 and 139,829.66 is: 192,967.32
Step by Step Solution
- Step 1: Write the proportion equation
254,546.18 : 351,278.08 = 139,829.66 : x - Step 2: Convert to fraction form
254,546.18/351,278.08 = 139,829.66/x - Step 3: Cross multiply
254,546.18x = 351,278.08 × 139,829.66 - Step 4: Simplify right side
254,546.18x = 49,119,094,491.85 - Step 5: Solve for x
x = 49,119,094,491.85/254,546.18 - Step 6: Final answer
x = 192,967.32
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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.