Finding the Fourth Proportional to 211,392.05, 291,679.94 and 125,335.13
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Solution
The fourth proportional to 211,392.05, 291,679.94 and 125,335.13 is: 172,938.12
Step by Step Solution
- Step 1: Write the proportion equation
211,392.05 : 291,679.94 = 125,335.13 : x - Step 2: Convert to fraction form
211,392.05/291,679.94 = 125,335.13/x - Step 3: Cross multiply
211,392.05x = 291,679.94 × 125,335.13 - Step 4: Simplify right side
211,392.05x = 36,557,742,053.23 - Step 5: Solve for x
x = 36,557,742,053.23/211,392.05 - Step 6: Final answer
x = 172,938.12
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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.