Finding the Fourth Proportional to 246,875.80, 370,313.70 and 128,777.80
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Solution
The fourth proportional to 246,875.80, 370,313.70 and 128,777.80 is: 193,166.70
Step by Step Solution
- Step 1: Write the proportion equation
246,875.80 : 370,313.70 = 128,777.80 : x - Step 2: Convert to fraction form
246,875.80/370,313.70 = 128,777.80/x - Step 3: Cross multiply
246,875.80x = 370,313.70 × 128,777.80 - Step 4: Simplify right side
246,875.80x = 47,688,183,595.86 - Step 5: Solve for x
x = 47,688,183,595.86/246,875.80 - Step 6: Final answer
x = 193,166.70
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1.5x scale
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.