Finding the Fourth Proportional to 125,038.21, 187,576.86 and 40,778.77
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Solution
The fourth proportional to 125,038.21, 187,576.86 and 40,778.77 is: 61,174.53
Step by Step Solution
- Step 1: Write the proportion equation
125,038.21 : 187,576.86 = 40,778.77 : x - Step 2: Convert to fraction form
125,038.21/187,576.86 = 40,778.77/x - Step 3: Cross multiply
125,038.21x = 187,576.86 × 40,778.77 - Step 4: Simplify right side
125,038.21x = 7,649,153,631.26 - Step 5: Solve for x
x = 7,649,153,631.26/125,038.21 - Step 6: Final answer
x = 61,174.53
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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.