Finding the Fourth Proportional to 130,604.34, 180,202.51 and 82,840.26
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Solution
The fourth proportional to 130,604.34, 180,202.51 and 82,840.26 is: 114,299.59
Step by Step Solution
- Step 1: Write the proportion equation
130,604.34 : 180,202.51 = 82,840.26 : x - Step 2: Convert to fraction form
130,604.34/180,202.51 = 82,840.26/x - Step 3: Cross multiply
130,604.34x = 180,202.51 × 82,840.26 - Step 4: Simplify right side
130,604.34x = 14,928,022,781.05 - Step 5: Solve for x
x = 14,928,022,781.05/130,604.34 - Step 6: Final answer
x = 114,299.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.