Finding the Fourth Proportional to 199,165.10, 298,885.58 and 79,209.73
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Solution
The fourth proportional to 199,165.10, 298,885.58 and 79,209.73 is: 118,869.46
Step by Step Solution
- Step 1: Write the proportion equation
199,165.10 : 298,885.58 = 79,209.73 : x - Step 2: Convert to fraction form
199,165.10/298,885.58 = 79,209.73/x - Step 3: Cross multiply
199,165.10x = 298,885.58 × 79,209.73 - Step 4: Simplify right side
199,165.10x = 23,674,646,367.29 - Step 5: Solve for x
x = 23,674,646,367.29/199,165.10 - Step 6: Final answer
x = 118,869.46
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1.5x scale
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.