Finding the Fourth Proportional to 447,498.41, 671,246.80 and 132,176.75
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Solution
The fourth proportional to 447,498.41, 671,246.80 and 132,176.75 is: 198,264.88
Step by Step Solution
- Step 1: Write the proportion equation
447,498.41 : 671,246.80 = 132,176.75 : x - Step 2: Convert to fraction form
447,498.41/671,246.80 = 132,176.75/x - Step 3: Cross multiply
447,498.41x = 671,246.80 × 132,176.75 - Step 4: Simplify right side
447,498.41x = 88,723,216,785.22 - Step 5: Solve for x
x = 88,723,216,785.22/447,498.41 - Step 6: Final answer
x = 198,264.88
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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.