Finding the Fourth Proportional to 346,392.99, 477,980.15 and 193,439.68
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Solution
The fourth proportional to 346,392.99, 477,980.15 and 193,439.68 is: 266,923.20
Step by Step Solution
- Step 1: Write the proportion equation
346,392.99 : 477,980.15 = 193,439.68 : x - Step 2: Convert to fraction form
346,392.99/477,980.15 = 193,439.68/x - Step 3: Cross multiply
346,392.99x = 477,980.15 × 193,439.68 - Step 4: Simplify right side
346,392.99x = 92,460,325,100.20 - Step 5: Solve for x
x = 92,460,325,100.20/346,392.99 - Step 6: Final answer
x = 266,923.20
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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.