Finding the Fourth Proportional to 349,178.80, 481,853.80 and 213,440.08
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Solution
The fourth proportional to 349,178.80, 481,853.80 and 213,440.08 is: 294,539.40
Step by Step Solution
- Step 1: Write the proportion equation
349,178.80 : 481,853.80 = 213,440.08 : x - Step 2: Convert to fraction form
349,178.80/481,853.80 = 213,440.08/x - Step 3: Cross multiply
349,178.80x = 481,853.80 × 213,440.08 - Step 4: Simplify right side
349,178.80x = 102,846,913,620.30 - Step 5: Solve for x
x = 102,846,913,620.30/349,178.80 - Step 6: Final answer
x = 294,539.40
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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.