Finding the Fourth Proportional to 187,679.13, 258,994.71 and 102,796.26
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Solution
The fourth proportional to 187,679.13, 258,994.71 and 102,796.26 is: 141,857.48
Step by Step Solution
- Step 1: Write the proportion equation
187,679.13 : 258,994.71 = 102,796.26 : x - Step 2: Convert to fraction form
187,679.13/258,994.71 = 102,796.26/x - Step 3: Cross multiply
187,679.13x = 258,994.71 × 102,796.26 - Step 4: Simplify right side
187,679.13x = 26,623,687,547.78 - Step 5: Solve for x
x = 26,623,687,547.78/187,679.13 - Step 6: Final answer
x = 141,857.48
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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.