Finding the Fourth Proportional to 514,296.42, 771,383.21 and 135,246.69
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Solution
The fourth proportional to 514,296.42, 771,383.21 and 135,246.69 is: 202,853.88
Step by Step Solution
- Step 1: Write the proportion equation
514,296.42 : 771,383.21 = 135,246.69 : x - Step 2: Convert to fraction form
514,296.42/771,383.21 = 135,246.69/x - Step 3: Cross multiply
514,296.42x = 771,383.21 × 135,246.69 - Step 4: Simplify right side
514,296.42x = 104,327,023,408.71 - Step 5: Solve for x
x = 104,327,023,408.71/514,296.42 - Step 6: Final answer
x = 202,853.88
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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.