Finding the Fourth Proportional to 246,760.60, 340,549.74 and 139,356.76
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Solution
The fourth proportional to 246,760.60, 340,549.74 and 139,356.76 is: 192,323.69
Step by Step Solution
- Step 1: Write the proportion equation
246,760.60 : 340,549.74 = 139,356.76 : x - Step 2: Convert to fraction form
246,760.60/340,549.74 = 139,356.76/x - Step 3: Cross multiply
246,760.60x = 340,549.74 × 139,356.76 - Step 4: Simplify right side
246,760.60x = 47,457,908,385.24 - Step 5: Solve for x
x = 47,457,908,385.24/246,760.60 - Step 6: Final answer
x = 192,323.69
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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.