Finding the Fourth Proportional to 211,525.16, 291,857.49 and 125,440.40
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Solution
The fourth proportional to 211,525.16, 291,857.49 and 125,440.40 is: 173,079.74
Step by Step Solution
- Step 1: Write the proportion equation
211,525.16 : 291,857.49 = 125,440.40 : x - Step 2: Convert to fraction form
211,525.16/291,857.49 = 125,440.40/x - Step 3: Cross multiply
211,525.16x = 291,857.49 × 125,440.40 - Step 4: Simplify right side
211,525.16x = 36,610,718,829.31 - Step 5: Solve for x
x = 36,610,718,829.31/211,525.16 - Step 6: Final answer
x = 173,079.74
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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.