Finding the Fourth Proportional to 299,390.37, 412,456.91 and 208,582.08
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Solution
The fourth proportional to 299,390.37, 412,456.91 and 208,582.08 is: 287,354.33
Step by Step Solution
- Step 1: Write the proportion equation
299,390.37 : 412,456.91 = 208,582.08 : x - Step 2: Convert to fraction form
299,390.37/412,456.91 = 208,582.08/x - Step 3: Cross multiply
299,390.37x = 412,456.91 × 208,582.08 - Step 4: Simplify right side
299,390.37x = 86,031,119,155.26 - Step 5: Solve for x
x = 86,031,119,155.26/299,390.37 - Step 6: Final answer
x = 287,354.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.