Finding the Fourth Proportional to 251,595.13, 347,201.27 and 138,415.45
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Solution
The fourth proportional to 251,595.13, 347,201.27 and 138,415.45 is: 191,013.31
Step by Step Solution
- Step 1: Write the proportion equation
251,595.13 : 347,201.27 = 138,415.45 : x - Step 2: Convert to fraction form
251,595.13/347,201.27 = 138,415.45/x - Step 3: Cross multiply
251,595.13x = 347,201.27 × 138,415.45 - Step 4: Simplify right side
251,595.13x = 48,058,018,637.65 - Step 5: Solve for x
x = 48,058,018,637.65/251,595.13 - Step 6: Final answer
x = 191,013.31
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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.