Finding the Fourth Proportional to 100,866.24, 151,307.84 and 30,746.08
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Solution
The fourth proportional to 100,866.24, 151,307.84 and 30,746.08 is: 46,121.70
Step by Step Solution
- Step 1: Write the proportion equation
100,866.24 : 151,307.84 = 30,746.08 : x - Step 2: Convert to fraction form
100,866.24/151,307.84 = 30,746.08/x - Step 3: Cross multiply
100,866.24x = 151,307.84 × 30,746.08 - Step 4: Simplify right side
100,866.24x = 4,652,122,953.27 - Step 5: Solve for x
x = 4,652,122,953.27/100,866.24 - Step 6: Final answer
x = 46,121.70
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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.