Finding the Fourth Proportional to 239,585.57, 359,273.09 and 89,720.75
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Solution
The fourth proportional to 239,585.57, 359,273.09 and 89,720.75 is: 134,541.70
Step by Step Solution
- Step 1: Write the proportion equation
239,585.57 : 359,273.09 = 89,720.75 : x - Step 2: Convert to fraction form
239,585.57/359,273.09 = 89,720.75/x - Step 3: Cross multiply
239,585.57x = 359,273.09 × 89,720.75 - Step 4: Simplify right side
239,585.57x = 32,234,249,293.25 - Step 5: Solve for x
x = 32,234,249,293.25/239,585.57 - Step 6: Final answer
x = 134,541.70
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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.