Finding the Fourth Proportional to 286,737.26, 430,122.63 and 87,064.16
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Solution
The fourth proportional to 286,737.26, 430,122.63 and 87,064.16 is: 130,601.32
Step by Step Solution
- Step 1: Write the proportion equation
286,737.26 : 430,122.63 = 87,064.16 : x - Step 2: Convert to fraction form
286,737.26/430,122.63 = 87,064.16/x - Step 3: Cross multiply
286,737.26x = 430,122.63 × 87,064.16 - Step 4: Simplify right side
286,737.26x = 37,448,265,477.94 - Step 5: Solve for x
x = 37,448,265,477.94/286,737.26 - Step 6: Final answer
x = 130,601.32
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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.