Finding the Fourth Proportional to 294,462.80, 441,694.20 and 260,637.20
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Solution
The fourth proportional to 294,462.80, 441,694.20 and 260,637.20 is: 390,955.80
Step by Step Solution
- Step 1: Write the proportion equation
294,462.80 : 441,694.20 = 260,637.20 : x - Step 2: Convert to fraction form
294,462.80/441,694.20 = 260,637.20/x - Step 3: Cross multiply
294,462.80x = 441,694.20 × 260,637.20 - Step 4: Simplify right side
294,462.80x = 115,121,939,544.24 - Step 5: Solve for x
x = 115,121,939,544.24/294,462.80 - Step 6: Final answer
x = 390,955.80
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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.