Finding the Fourth Proportional to 324,863.74, 487,365.10 and 97,177.20
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Solution
The fourth proportional to 324,863.74, 487,365.10 and 97,177.20 is: 145,786.59
Step by Step Solution
- Step 1: Write the proportion equation
324,863.74 : 487,365.10 = 97,177.20 : x - Step 2: Convert to fraction form
324,863.74/487,365.10 = 97,177.20/x - Step 3: Cross multiply
324,863.74x = 487,365.10 × 97,177.20 - Step 4: Simplify right side
324,863.74x = 47,360,775,795.72 - Step 5: Solve for x
x = 47,360,775,795.72/324,863.74 - Step 6: Final answer
x = 145,786.59
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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.