Finding the Fourth Proportional to 876,129.70, 1,314,097.35 and 245,107.30
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Solution
The fourth proportional to 876,129.70, 1,314,097.35 and 245,107.30 is: 367,633.76
Step by Step Solution
- Step 1: Write the proportion equation
876,129.70 : 1,314,097.35 = 245,107.30 : x - Step 2: Convert to fraction form
876,129.70/1,314,097.35 = 245,107.30/x - Step 3: Cross multiply
876,129.70x = 1,314,097.35 × 245,107.30 - Step 4: Simplify right side
876,129.70x = 322,094,853,395.66 - Step 5: Solve for x
x = 322,094,853,395.66/876,129.70 - Step 6: Final answer
x = 367,633.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.