Finding the Fourth Proportional to 119,125.56, 178,648.64 and 48,029.84
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Solution
The fourth proportional to 119,125.56, 178,648.64 and 48,029.84 is: 72,028.75
Step by Step Solution
- Step 1: Write the proportion equation
119,125.56 : 178,648.64 = 48,029.84 : x - Step 2: Convert to fraction form
119,125.56/178,648.64 = 48,029.84/x - Step 3: Cross multiply
119,125.56x = 178,648.64 × 48,029.84 - Step 4: Simplify right side
119,125.56x = 8,580,465,595.42 - Step 5: Solve for x
x = 8,580,465,595.42/119,125.56 - Step 6: Final answer
x = 72,028.75
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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.