Finding the Fourth Proportional to 408,183.24, 612,038.25 and 138,221.26
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Solution
The fourth proportional to 408,183.24, 612,038.25 and 138,221.26 is: 207,251.77
Step by Step Solution
- Step 1: Write the proportion equation
408,183.24 : 612,038.25 = 138,221.26 : x - Step 2: Convert to fraction form
408,183.24/612,038.25 = 138,221.26/x - Step 3: Cross multiply
408,183.24x = 612,038.25 × 138,221.26 - Step 4: Simplify right side
408,183.24x = 84,596,698,083.20 - Step 5: Solve for x
x = 84,596,698,083.20/408,183.24 - Step 6: Final answer
x = 207,251.77
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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.