Finding the Fourth Proportional to 330,713.16, 455,574.10 and 239,801.96
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Solution
The fourth proportional to 330,713.16, 455,574.10 and 239,801.96 is: 330,339.33
Step by Step Solution
- Step 1: Write the proportion equation
330,713.16 : 455,574.10 = 239,801.96 : x - Step 2: Convert to fraction form
330,713.16/455,574.10 = 239,801.96/x - Step 3: Cross multiply
330,713.16x = 455,574.10 × 239,801.96 - Step 4: Simplify right side
330,713.16x = 109,247,562,105.24 - Step 5: Solve for x
x = 109,247,562,105.24/330,713.16 - Step 6: Final answer
x = 330,339.33
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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.