Finding the Fourth Proportional to 330,018.68, 455,426.07 and 179,115.68
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Solution
The fourth proportional to 330,018.68, 455,426.07 and 179,115.68 is: 247,179.80
Step by Step Solution
- Step 1: Write the proportion equation
330,018.68 : 455,426.07 = 179,115.68 : x - Step 2: Convert to fraction form
330,018.68/455,426.07 = 179,115.68/x - Step 3: Cross multiply
330,018.68x = 455,426.07 × 179,115.68 - Step 4: Simplify right side
330,018.68x = 81,573,950,217.78 - Step 5: Solve for x
x = 81,573,950,217.78/330,018.68 - Step 6: Final answer
x = 247,179.80
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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.