Finding the Fourth Proportional to 113,576.74, 156,733.79 and 62,594.19
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Solution
The fourth proportional to 113,576.74, 156,733.79 and 62,594.19 is: 86,378.82
Step by Step Solution
- Step 1: Write the proportion equation
113,576.74 : 156,733.79 = 62,594.19 : x - Step 2: Convert to fraction form
113,576.74/156,733.79 = 62,594.19/x - Step 3: Cross multiply
113,576.74x = 156,733.79 × 62,594.19 - Step 4: Simplify right side
113,576.74x = 9,810,624,317.71 - Step 5: Solve for x
x = 9,810,624,317.71/113,576.74 - Step 6: Final answer
x = 86,378.82
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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.