Finding the Fourth Proportional to 142,069.01, 213,037.90 and 53,258.99
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Solution
The fourth proportional to 142,069.01, 213,037.90 and 53,258.99 is: 79,863.88
Step by Step Solution
- Step 1: Write the proportion equation
142,069.01 : 213,037.90 = 53,258.99 : x - Step 2: Convert to fraction form
142,069.01/213,037.90 = 53,258.99/x - Step 3: Cross multiply
142,069.01x = 213,037.90 × 53,258.99 - Step 4: Simplify right side
142,069.01x = 11,346,182,187.38 - Step 5: Solve for x
x = 11,346,182,187.38/142,069.01 - Step 6: Final answer
x = 79,863.88
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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.