Finding the Fourth Proportional to 100,560.99, 150,905.03 and 56,216.87
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Solution
The fourth proportional to 100,560.99, 150,905.03 and 56,216.87 is: 84,360.82
Step by Step Solution
- Step 1: Write the proportion equation
100,560.99 : 150,905.03 = 56,216.87 : x - Step 2: Convert to fraction form
100,560.99/150,905.03 = 56,216.87/x - Step 3: Cross multiply
100,560.99x = 150,905.03 × 56,216.87 - Step 4: Simplify right side
100,560.99x = 8,483,407,418.25 - Step 5: Solve for x
x = 8,483,407,418.25/100,560.99 - Step 6: Final answer
x = 84,360.82
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1.5x scale
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.