Finding the Fourth Proportional to 358,829.24, 538,293.06 and 106,129.60
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Solution
The fourth proportional to 358,829.24, 538,293.06 and 106,129.60 is: 159,208.95
Step by Step Solution
- Step 1: Write the proportion equation
358,829.24 : 538,293.06 = 106,129.60 : x - Step 2: Convert to fraction form
358,829.24/538,293.06 = 106,129.60/x - Step 3: Cross multiply
358,829.24x = 538,293.06 × 106,129.60 - Step 4: Simplify right side
358,829.24x = 57,128,825,794.84 - Step 5: Solve for x
x = 57,128,825,794.84/358,829.24 - Step 6: Final answer
x = 159,208.95
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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.