Finding the Fourth Proportional to 134,778.24, 202,206.24 and 55,877.76
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Solution
The fourth proportional to 134,778.24, 202,206.24 and 55,877.76 is: 83,832.76
Step by Step Solution
- Step 1: Write the proportion equation
134,778.24 : 202,206.24 = 55,877.76 : x - Step 2: Convert to fraction form
134,778.24/202,206.24 = 55,877.76/x - Step 3: Cross multiply
134,778.24x = 202,206.24 × 55,877.76 - Step 4: Simplify right side
134,778.24x = 11,298,831,749.22 - Step 5: Solve for x
x = 11,298,831,749.22/134,778.24 - Step 6: Final answer
x = 83,832.76
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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.