Finding the Fourth Proportional to 278,177.12, 383,884.52 and 150,852.68
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Solution
The fourth proportional to 278,177.12, 383,884.52 and 150,852.68 is: 208,176.75
Step by Step Solution
- Step 1: Write the proportion equation
278,177.12 : 383,884.52 = 150,852.68 : x - Step 2: Convert to fraction form
278,177.12/383,884.52 = 150,852.68/x - Step 3: Cross multiply
278,177.12x = 383,884.52 × 150,852.68 - Step 4: Simplify right side
278,177.12x = 57,910,008,652.51 - Step 5: Solve for x
x = 57,910,008,652.51/278,177.12 - Step 6: Final answer
x = 208,176.75
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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.