Finding the Fourth Proportional to 274,359.16, 378,600.36 and 153,477.08
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Solution
The fourth proportional to 274,359.16, 378,600.36 and 153,477.08 is: 211,789.82
Step by Step Solution
- Step 1: Write the proportion equation
274,359.16 : 378,600.36 = 153,477.08 : x - Step 2: Convert to fraction form
274,359.16/378,600.36 = 153,477.08/x - Step 3: Cross multiply
274,359.16x = 378,600.36 × 153,477.08 - Step 4: Simplify right side
274,359.16x = 58,106,477,739.75 - Step 5: Solve for x
x = 58,106,477,739.75/274,359.16 - Step 6: Final answer
x = 211,789.82
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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.