Finding the Fourth Proportional to 102,806.08, 154,209.28 and 28,934.08
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Solution
The fourth proportional to 102,806.08, 154,209.28 and 28,934.08 is: 43,401.17
Step by Step Solution
- Step 1: Write the proportion equation
102,806.08 : 154,209.28 = 28,934.08 : x - Step 2: Convert to fraction form
102,806.08/154,209.28 = 28,934.08/x - Step 3: Cross multiply
102,806.08x = 154,209.28 × 28,934.08 - Step 4: Simplify right side
102,806.08x = 4,461,903,644.26 - Step 5: Solve for x
x = 4,461,903,644.26/102,806.08 - Step 6: Final answer
x = 43,401.17
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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.