Finding the Fourth Proportional to 134,849.40, 202,322.70 and 56,020.20
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Solution
The fourth proportional to 134,849.40, 202,322.70 and 56,020.20 is: 84,050.49
Step by Step Solution
- Step 1: Write the proportion equation
134,849.40 : 202,322.70 = 56,020.20 : x - Step 2: Convert to fraction form
134,849.40/202,322.70 = 56,020.20/x - Step 3: Cross multiply
134,849.40x = 202,322.70 × 56,020.20 - Step 4: Simplify right side
134,849.40x = 11,334,158,118.54 - Step 5: Solve for x
x = 11,334,158,118.54/134,849.40 - Step 6: Final answer
x = 84,050.49
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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.