Finding the Fourth Proportional to 330,377.82, 455,906.79 and 187,134.99
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Solution
The fourth proportional to 330,377.82, 455,906.79 and 187,134.99 is: 258,238.02
Step by Step Solution
- Step 1: Write the proportion equation
330,377.82 : 455,906.79 = 187,134.99 : x - Step 2: Convert to fraction form
330,377.82/455,906.79 = 187,134.99/x - Step 3: Cross multiply
330,377.82x = 455,906.79 × 187,134.99 - Step 4: Simplify right side
330,377.82x = 85,316,112,587.58 - Step 5: Solve for x
x = 85,316,112,587.58/330,377.82 - Step 6: Final answer
x = 258,238.02
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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.