Finding the Fourth Proportional to 148,903.24, 205,695.66 and 135,450.76
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Solution
The fourth proportional to 148,903.24, 205,695.66 and 135,450.76 is: 187,112.34
Step by Step Solution
- Step 1: Write the proportion equation
148,903.24 : 205,695.66 = 135,450.76 : x - Step 2: Convert to fraction form
148,903.24/205,695.66 = 135,450.76/x - Step 3: Cross multiply
148,903.24x = 205,695.66 × 135,450.76 - Step 4: Simplify right side
148,903.24x = 27,861,633,475.70 - Step 5: Solve for x
x = 27,861,633,475.70/148,903.24 - Step 6: Final answer
x = 187,112.34
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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.