Finding the Fourth Proportional to 247,006.91, 340,865.09 and 139,574.62
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Solution
The fourth proportional to 247,006.91, 340,865.09 and 139,574.62 is: 192,610.46
Step by Step Solution
- Step 1: Write the proportion equation
247,006.91 : 340,865.09 = 139,574.62 : x - Step 2: Convert to fraction form
247,006.91/340,865.09 = 139,574.62/x - Step 3: Cross multiply
247,006.91x = 340,865.09 × 139,574.62 - Step 4: Simplify right side
247,006.91x = 47,576,115,408.02 - Step 5: Solve for x
x = 47,576,115,408.02/247,006.91 - Step 6: Final answer
x = 192,610.46
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1.5x scale
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.