Finding the Fourth Proportional to 479,803.41, 718,917.39 and 164,088.09
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Solution
The fourth proportional to 479,803.41, 718,917.39 and 164,088.09 is: 245,862.74
Step by Step Solution
- Step 1: Write the proportion equation
479,803.41 : 718,917.39 = 164,088.09 : x - Step 2: Convert to fraction form
479,803.41/718,917.39 = 164,088.09/x - Step 3: Cross multiply
479,803.41x = 718,917.39 × 164,088.09 - Step 4: Simplify right side
479,803.41x = 117,965,781,392.89 - Step 5: Solve for x
x = 117,965,781,392.89/479,803.41 - Step 6: Final answer
x = 245,862.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.