Finding the Fourth Proportional to 330,881.84, 456,698.04 and 187,725.68
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Solution
The fourth proportional to 330,881.84, 456,698.04 and 187,725.68 is: 259,107.45
Step by Step Solution
- Step 1: Write the proportion equation
330,881.84 : 456,698.04 = 187,725.68 : x - Step 2: Convert to fraction form
330,881.84/456,698.04 = 187,725.68/x - Step 3: Cross multiply
330,881.84x = 456,698.04 × 187,725.68 - Step 4: Simplify right side
330,881.84x = 85,733,950,113.67 - Step 5: Solve for x
x = 85,733,950,113.67/330,881.84 - Step 6: Final answer
x = 259,107.45
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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.