Finding the Fourth Proportional to 246,585.36, 340,305.76 and 139,164.78
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Solution
The fourth proportional to 246,585.36, 340,305.76 and 139,164.78 is: 192,057.53
Step by Step Solution
- Step 1: Write the proportion equation
246,585.36 : 340,305.76 = 139,164.78 : x - Step 2: Convert to fraction form
246,585.36/340,305.76 = 139,164.78/x - Step 3: Cross multiply
246,585.36x = 340,305.76 × 139,164.78 - Step 4: Simplify right side
246,585.36x = 47,358,576,223.13 - Step 5: Solve for x
x = 47,358,576,223.13/246,585.36 - Step 6: Final answer
x = 192,057.53
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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.