Finding the Fourth Proportional to 73,711.80, 110,567.70 and 18,307.80
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Solution
The fourth proportional to 73,711.80, 110,567.70 and 18,307.80 is: 27,461.70
Step by Step Solution
- Step 1: Write the proportion equation
73,711.80 : 110,567.70 = 18,307.80 : x - Step 2: Convert to fraction form
73,711.80/110,567.70 = 18,307.80/x - Step 3: Cross multiply
73,711.80x = 110,567.70 × 18,307.80 - Step 4: Simplify right side
73,711.80x = 2,024,251,338.06 - Step 5: Solve for x
x = 2,024,251,338.06/73,711.80 - Step 6: Final answer
x = 27,461.70
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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.