Finding the Fourth Proportional to 239,732.28, 359,038.08 and 189,475.02
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Solution
The fourth proportional to 239,732.28, 359,038.08 and 189,475.02 is: 283,769.66
Step by Step Solution
- Step 1: Write the proportion equation
239,732.28 : 359,038.08 = 189,475.02 : x - Step 2: Convert to fraction form
239,732.28/359,038.08 = 189,475.02/x - Step 3: Cross multiply
239,732.28x = 359,038.08 × 189,475.02 - Step 4: Simplify right side
239,732.28x = 68,028,747,388.76 - Step 5: Solve for x
x = 68,028,747,388.76/239,732.28 - Step 6: Final answer
x = 283,769.66
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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.