Finding the Fourth Proportional to 268,349.76, 370,314.84 and 153,624.60
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Solution
The fourth proportional to 268,349.76, 370,314.84 and 153,624.60 is: 211,997.47
Step by Step Solution
- Step 1: Write the proportion equation
268,349.76 : 370,314.84 = 153,624.60 : x - Step 2: Convert to fraction form
268,349.76/370,314.84 = 153,624.60/x - Step 3: Cross multiply
268,349.76x = 370,314.84 × 153,624.60 - Step 4: Simplify right side
268,349.76x = 56,889,469,169.06 - Step 5: Solve for x
x = 56,889,469,169.06/268,349.76 - Step 6: Final answer
x = 211,997.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.