Finding the Fourth Proportional to 252,937.01, 349,053.99 and 138,215.66
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Solution
The fourth proportional to 252,937.01, 349,053.99 and 138,215.66 is: 190,738.11
Step by Step Solution
- Step 1: Write the proportion equation
252,937.01 : 349,053.99 = 138,215.66 : x - Step 2: Convert to fraction form
252,937.01/349,053.99 = 138,215.66/x - Step 3: Cross multiply
252,937.01x = 349,053.99 × 138,215.66 - Step 4: Simplify right side
252,937.01x = 48,244,727,603.48 - Step 5: Solve for x
x = 48,244,727,603.48/252,937.01 - Step 6: Final answer
x = 190,738.11
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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.