Finding the Fourth Proportional to 577,971.41, 866,742.05 and 198,785.70
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Solution
The fourth proportional to 577,971.41, 866,742.05 and 198,785.70 is: 298,104.58
Step by Step Solution
- Step 1: Write the proportion equation
577,971.41 : 866,742.05 = 198,785.70 : x - Step 2: Convert to fraction form
577,971.41/866,742.05 = 198,785.70/x - Step 3: Cross multiply
577,971.41x = 866,742.05 × 198,785.70 - Step 4: Simplify right side
577,971.41x = 172,295,925,625.65 - Step 5: Solve for x
x = 172,295,925,625.65/577,971.41 - Step 6: Final answer
x = 298,104.58
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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.