Finding the Fourth Proportional to 305,913.16, 458,869.74 and 95,567.68
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Solution
The fourth proportional to 305,913.16, 458,869.74 and 95,567.68 is: 143,351.52
Step by Step Solution
- Step 1: Write the proportion equation
305,913.16 : 458,869.74 = 95,567.68 : x - Step 2: Convert to fraction form
305,913.16/458,869.74 = 95,567.68/x - Step 3: Cross multiply
305,913.16x = 458,869.74 × 95,567.68 - Step 4: Simplify right side
305,913.16x = 43,853,116,474.00 - Step 5: Solve for x
x = 43,853,116,474.00/305,913.16 - Step 6: Final answer
x = 143,351.52
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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.