Finding the Fourth Proportional to 125,285.09, 187,927.59 and 36,538.58
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Solution
The fourth proportional to 125,285.09, 187,927.59 and 36,538.58 is: 54,807.85
Step by Step Solution
- Step 1: Write the proportion equation
125,285.09 : 187,927.59 = 36,538.58 : x - Step 2: Convert to fraction form
125,285.09/187,927.59 = 36,538.58/x - Step 3: Cross multiply
125,285.09x = 187,927.59 × 36,538.58 - Step 4: Simplify right side
125,285.09x = 6,866,606,341.78 - Step 5: Solve for x
x = 6,866,606,341.78/125,285.09 - Step 6: Final answer
x = 54,807.85
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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.