Finding the Fourth Proportional to 324,829.58, 487,145.93 and 97,140.29
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Solution
The fourth proportional to 324,829.58, 487,145.93 and 97,140.29 is: 145,680.99
Step by Step Solution
- Step 1: Write the proportion equation
324,829.58 : 487,145.93 = 97,140.29 : x - Step 2: Convert to fraction form
324,829.58/487,145.93 = 97,140.29/x - Step 3: Cross multiply
324,829.58x = 487,145.93 × 97,140.29 - Step 4: Simplify right side
324,829.58x = 47,321,493,991.09 - Step 5: Solve for x
x = 47,321,493,991.09/324,829.58 - Step 6: Final answer
x = 145,680.99
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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.