Finding the Fourth Proportional to 246,887.96, 340,726.36 and 139,477.70
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Solution
The fourth proportional to 246,887.96, 340,726.36 and 139,477.70 is: 192,491.08
Step by Step Solution
- Step 1: Write the proportion equation
246,887.96 : 340,726.36 = 139,477.70 : x - Step 2: Convert to fraction form
246,887.96/340,726.36 = 139,477.70/x - Step 3: Cross multiply
246,887.96x = 340,726.36 × 139,477.70 - Step 4: Simplify right side
246,887.96x = 47,523,729,022.17 - Step 5: Solve for x
x = 47,523,729,022.17/246,887.96 - Step 6: Final answer
x = 192,491.08
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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.