Finding the Fourth Proportional to 330,098.24, 455,610.48 and 209,406.08
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Solution
The fourth proportional to 330,098.24, 455,610.48 and 209,406.08 is: 289,027.91
Step by Step Solution
- Step 1: Write the proportion equation
330,098.24 : 455,610.48 = 209,406.08 : x - Step 2: Convert to fraction form
330,098.24/455,610.48 = 209,406.08/x - Step 3: Cross multiply
330,098.24x = 455,610.48 × 209,406.08 - Step 4: Simplify right side
330,098.24x = 95,407,604,623.72 - Step 5: Solve for x
x = 95,407,604,623.72/330,098.24 - Step 6: Final answer
x = 289,027.91
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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.