Finding the Fourth Proportional to 296,319.58, 408,921.01 and 160,353.53
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Solution
The fourth proportional to 296,319.58, 408,921.01 and 160,353.53 is: 221,287.86
Step by Step Solution
- Step 1: Write the proportion equation
296,319.58 : 408,921.01 = 160,353.53 : x - Step 2: Convert to fraction form
296,319.58/408,921.01 = 160,353.53/x - Step 3: Cross multiply
296,319.58x = 408,921.01 × 160,353.53 - Step 4: Simplify right side
296,319.58x = 65,571,926,667.89 - Step 5: Solve for x
x = 65,571,926,667.89/296,319.58 - Step 6: Final answer
x = 221,287.86
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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.