Finding the Fourth Proportional to 145,291.74, 217,937.61 and 51,731.88
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Solution
The fourth proportional to 145,291.74, 217,937.61 and 51,731.88 is: 77,597.82
Step by Step Solution
- Step 1: Write the proportion equation
145,291.74 : 217,937.61 = 51,731.88 : x - Step 2: Convert to fraction form
145,291.74/217,937.61 = 51,731.88/x - Step 3: Cross multiply
145,291.74x = 217,937.61 × 51,731.88 - Step 4: Simplify right side
145,291.74x = 11,274,322,288.01 - Step 5: Solve for x
x = 11,274,322,288.01/145,291.74 - Step 6: Final answer
x = 77,597.82
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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.