Finding the Fourth Proportional to 171,715.13, 257,528.95 and 53,325.53
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Solution
The fourth proportional to 171,715.13, 257,528.95 and 53,325.53 is: 79,974.71
Step by Step Solution
- Step 1: Write the proportion equation
171,715.13 : 257,528.95 = 53,325.53 : x - Step 2: Convert to fraction form
171,715.13/257,528.95 = 53,325.53/x - Step 3: Cross multiply
171,715.13x = 257,528.95 × 53,325.53 - Step 4: Simplify right side
171,715.13x = 13,732,867,749.09 - Step 5: Solve for x
x = 13,732,867,749.09/171,715.13 - Step 6: Final answer
x = 79,974.71
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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.