Finding the Fourth Proportional to 215,830.86, 323,775.86 and 73,637.99
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Solution
The fourth proportional to 215,830.86, 323,775.86 and 73,637.99 is: 110,467.08
Step by Step Solution
- Step 1: Write the proportion equation
215,830.86 : 323,775.86 = 73,637.99 : x - Step 2: Convert to fraction form
215,830.86/323,775.86 = 73,637.99/x - Step 3: Cross multiply
215,830.86x = 323,775.86 × 73,637.99 - Step 4: Simplify right side
215,830.86x = 23,842,203,982.17 - Step 5: Solve for x
x = 23,842,203,982.17/215,830.86 - Step 6: Final answer
x = 110,467.08
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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.