Finding the Fourth Proportional to 201,679.30, 302,518.95 and 113,205.70
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Solution
The fourth proportional to 201,679.30, 302,518.95 and 113,205.70 is: 169,808.55
Step by Step Solution
- Step 1: Write the proportion equation
201,679.30 : 302,518.95 = 113,205.70 : x - Step 2: Convert to fraction form
201,679.30/302,518.95 = 113,205.70/x - Step 3: Cross multiply
201,679.30x = 302,518.95 × 113,205.70 - Step 4: Simplify right side
201,679.30x = 34,246,869,498.02 - Step 5: Solve for x
x = 34,246,869,498.02/201,679.30 - Step 6: Final answer
x = 169,808.55
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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.