Finding the Fourth Proportional to 252,947.36, 349,064.88 and 139,767.68
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Solution
The fourth proportional to 252,947.36, 349,064.88 and 139,767.68 is: 192,878.03
Step by Step Solution
- Step 1: Write the proportion equation
252,947.36 : 349,064.88 = 139,767.68 : x - Step 2: Convert to fraction form
252,947.36/349,064.88 = 139,767.68/x - Step 3: Cross multiply
252,947.36x = 349,064.88 × 139,767.68 - Step 4: Simplify right side
252,947.36x = 48,787,988,447.08 - Step 5: Solve for x
x = 48,787,988,447.08/252,947.36 - Step 6: Final answer
x = 192,878.03
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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.