Finding the Fourth Proportional to 324,855.81, 487,353.27 and 97,169.31
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Solution
The fourth proportional to 324,855.81, 487,353.27 and 97,169.31 is: 145,774.77
Step by Step Solution
- Step 1: Write the proportion equation
324,855.81 : 487,353.27 = 97,169.31 : x - Step 2: Convert to fraction form
324,855.81/487,353.27 = 97,169.31/x - Step 3: Cross multiply
324,855.81x = 487,353.27 × 97,169.31 - Step 4: Simplify right side
324,855.81x = 47,355,780,972.14 - Step 5: Solve for x
x = 47,355,780,972.14/324,855.81 - Step 6: Final answer
x = 145,774.77
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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.