Finding the Fourth Proportional to 185,278.12, 277,778.94 and 86,759.08
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Solution
The fourth proportional to 185,278.12, 277,778.94 and 86,759.08 is: 130,073.89
Step by Step Solution
- Step 1: Write the proportion equation
185,278.12 : 277,778.94 = 86,759.08 : x - Step 2: Convert to fraction form
185,278.12/277,778.94 = 86,759.08/x - Step 3: Cross multiply
185,278.12x = 277,778.94 × 86,759.08 - Step 4: Simplify right side
185,278.12x = 24,099,845,277.78 - Step 5: Solve for x
x = 24,099,845,277.78/185,278.12 - Step 6: Final answer
x = 130,073.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.