Finding the Fourth Proportional to 145,292.10, 217,937.78 and 38,676.06
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Solution
The fourth proportional to 145,292.10, 217,937.78 and 38,676.06 is: 58,013.99
Step by Step Solution
- Step 1: Write the proportion equation
145,292.10 : 217,937.78 = 38,676.06 : x - Step 2: Convert to fraction form
145,292.10/217,937.78 = 38,676.06/x - Step 3: Cross multiply
145,292.10x = 217,937.78 × 38,676.06 - Step 4: Simplify right side
145,292.10x = 8,428,974,655.55 - Step 5: Solve for x
x = 8,428,974,655.55/145,292.10 - Step 6: Final answer
x = 58,013.99
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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.