Finding the Fourth Proportional to 302,720.13, 417,751.83 and 166,750.92
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Solution
The fourth proportional to 302,720.13, 417,751.83 and 166,750.92 is: 230,115.20
Step by Step Solution
- Step 1: Write the proportion equation
302,720.13 : 417,751.83 = 166,750.92 : x - Step 2: Convert to fraction form
302,720.13/417,751.83 = 166,750.92/x - Step 3: Cross multiply
302,720.13x = 417,751.83 × 166,750.92 - Step 4: Simplify right side
302,720.13x = 69,660,501,984.18 - Step 5: Solve for x
x = 69,660,501,984.18/302,720.13 - Step 6: Final answer
x = 230,115.20
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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.