Finding the Fourth Proportional to 240,149.18, 360,029.36 and 100,012.70
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Solution
The fourth proportional to 240,149.18, 360,029.36 and 100,012.70 is: 149,938.09
Step by Step Solution
- Step 1: Write the proportion equation
240,149.18 : 360,029.36 = 100,012.70 : x - Step 2: Convert to fraction form
240,149.18/360,029.36 = 100,012.70/x - Step 3: Cross multiply
240,149.18x = 360,029.36 × 100,012.70 - Step 4: Simplify right side
240,149.18x = 36,007,508,372.87 - Step 5: Solve for x
x = 36,007,508,372.87/240,149.18 - Step 6: Final answer
x = 149,938.09
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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.