Finding the Fourth Proportional to 240,940.05, 361,410.08 and 128,965.65
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Solution
The fourth proportional to 240,940.05, 361,410.08 and 128,965.65 is: 193,448.48
Step by Step Solution
- Step 1: Write the proportion equation
240,940.05 : 361,410.08 = 128,965.65 : x - Step 2: Convert to fraction form
240,940.05/361,410.08 = 128,965.65/x - Step 3: Cross multiply
240,940.05x = 361,410.08 × 128,965.65 - Step 4: Simplify right side
240,940.05x = 46,609,485,238.92 - Step 5: Solve for x
x = 46,609,485,238.92/240,940.05 - Step 6: Final answer
x = 193,448.48
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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.